Push yourself out of your comfort zone, and start staying in the discomfort zone.
What if
Be careful what you think of yourself, if you keep doubting yourself and your capabilities you will not achieve your goals.
The Accountability Mirror
The Accountability Mirror exercise helps you to keep yourself accountable for your action and inaction, your attitude, and the things you want to change in your life.
Can’t Hurt me summary in short
You need to intentionally seek difficulties and stay out of your comfort zone, it can be demanding for yourself physically, mentally, emotionally, and spiritually. Just hang in there and challenge yourself regularly.