The Confidence Code That Changes Everything: Why Action Creates Confidence, Not the Other Way Around
- Mary Killelea
- 1 day ago
- 5 min read
Sarah stared at the job posting for the Director of Marketing role. She had 85% of the qualifications and had been successfully managing similar responsibilities for the past two years. But that 15% gap felt like a canyon.
"I need to get more experience first," she told herself, bookmarking the position for "someday."
Six months later, she watched a male colleague with fewer qualifications get promoted to a similar role. When she asked him how he felt so confident applying, he shrugged: "I figured I'd learn the rest on the job."
This scenario plays out in boardrooms, corner offices, and conference rooms across the world every single day. And it reveals one of the most damaging myths about confidence that keeps brilliant women stuck.

The Confidence Myth That's Holding You Back
We've been taught that confidence is a prerequisite for action. That we need to feel ready, qualified, and certain before we step up, speak out, or go after what we want.
But here's what 15 years of coaching professional women has taught me: confidence doesn't create action. Action creates confidence.
Research backs this up. Studies show that men apply for jobs when they meet 60% of the qualifications, while women wait until they meet 100%. Men interrupt in meetings 33% more often and are perceived as confident leaders. Women who display the same behavior are often labeled as aggressive.
These aren't personal failings, they're systemic patterns that require strategic responses.
The Science of Confidence Building
Confidence isn't a personality trait you're born with or without. It's a skill that's built through evidence, and evidence comes from taking action despite uncertainty.
Neuroscience shows us that each time we take action in the face of fear and succeed (even partially), our brain creates new neural pathways that make similar actions easier in the future. We literally rewire our brains for confidence.
But when we wait to feel confident before acting, we're asking our brain to create evidence for something that hasn't happened yet. It's like asking your GPS to navigate to a destination that doesn't exist.
The LEAP Method: Action Creates Confidence Framework
After working with hundreds of professional women, I've developed a framework that transforms how you build and use confidence. It's called the LEAP Method, and it's based on action-driven confidence building.
L - List Your Wins
Start by creating what I call an "evidence file," a comprehensive record of your achievements, no matter how small they might seem.
Include:
Quantifiable results you've driven
Problems you've solved creatively
Recognition you've received from colleagues, clients, or supervisors
Skills you've developed or improved
Challenges you've overcome
Positive feedback you've received
Update this monthly and review it before any challenging situation. Your brain needs concrete evidence of your capabilities, which serves as your reference library.
E - Embrace Discomfort
Growth happens outside your comfort zone, but most of us avoid discomfort like it's dangerous. Instead, start viewing discomfort as data; it tells you you're about to grow.
Practice saying yes to opportunities that scare you slightly:
Volunteer for the presentation no one else wants to give
Apply for the stretch role even if you don't meet every requirement
Share your opinion in meetings even when you're not 100% certain
Join the networking event where you don't know anyone
The key is "slightly." We're not talking about reckless decisions, but calculated risks that push your boundaries.
A - Amplify Your Voice
Many professional women have been socialized to be modest, to wait their turn, and to soften their statements with qualifiers. But in senior roles, your voice is your influence.
Start practicing:
Speaking up in the first 10 minutes of every meeting
Sharing your opinion without over-qualifying with phrases like "I might be wrong, but..." or "This is probably a stupid question..."
Taking credit for your contributions by using "I" instead of "we" when appropriate
Making declarative statements instead of turning statements into questions
P - Progress Over Perfection
Perfectionism is confidence's biggest enemy because it keeps you from taking action until conditions are ideal, which they never are.
Instead, embrace the philosophy of "good enough to go":
Ship the project when it's 80% perfect and iterate based on feedback
Apply for opportunities even if you don't meet every qualification
Start the side business before you have every detail figured out
Have the difficult conversation before you've scripted every word
Real-World Applications
In Meetings: Instead of waiting for the perfect moment to contribute, commit to speaking up in the first 10 minutes of every meeting. Even if it's just building on someone else's point, you establish your presence and expertise early.
In Negotiations: Rather than spending weeks researching every possible outcome, prepare your key points and initiate the conversation. You'll gather more useful information from the actual discussion than from endless preparation.
In Career Advancement: Apply for the promotion or new role when you meet 70% of the requirements. Use the interview process as a learning opportunity and a chance to demonstrate your growth mindset.
The Compound Effect of Action-Based Confidence
Here's what happens when you consistently apply the LEAP Method:
Weeks 1-4: You start feeling more comfortable with uncertainty and begin documenting your wins systematically. Small actions feel less daunting.
Months 2-3: You notice patterns in your success and start anticipating positive outcomes. Your self-talk becomes more supportive.
Months 4-6: Others begin to notice your increased presence and contribution. You're invited to more strategic discussions and given stretch assignments.
Months 7-12: You become known as someone who gets things done and isn't afraid of challenges. Opportunities start finding you instead of you chasing them.
Year 2+: Confidence becomes your default mode. You regularly take on challenges that would have paralyzed you previously, and your career trajectory accelerates significantly.
Common Confidence Killers and How to Overcome Them
The Comparison Trap: Stop measuring your inside against others' outsides. Focus on your own progress and growth metrics.
The Perfectionism Prison: Remember that done is better than perfect. Excellence is the goal, not perfection.
The Impostor Syndrome Spiral: Everyone feels like an impostor sometimes. The difference is that confident people take action despite their feelings.
The Analysis Paralysis: Set decision deadlines for yourself. Gather enough information to make an informed choice, then act.
Your 30-Day Confidence Challenge
Week 1: Create your evidence file and identify one area where you want to build confidence.
Week 2: Take one small action outside your comfort zone in that area. Document the outcome.
Week 3: Amplify your voice in three different situations. Notice how others respond.
Week 4: Choose progress over perfection in a project or decision you've been overthinking.
Your next promotion, board appointment, or career breakthrough isn't waiting for you to feel ready. It's waiting for you to be prepared to act.
Confidence isn't about eliminating fear; it's about taking action despite fear.
Every successful woman you admire has felt uncertain, unprepared, and scared.
The difference is that they didn't let those feelings stop them from moving forward.
Start building your confidence through action today. Your future self will thank you.
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