How do you get an apple from a tree?
If you are tall, you can just stretch and get it.
If you are short: then you can ask someone to get it for you (delegation)
Climb on the shoulder of a tall friend and get it (teamwork)
Use a ladder, climb it, and get it (leverage)
Get a long stick with a hook and get it (innovation)
If none of these work,
Shake the tree until it falls. (brute force)
If it doesn’t fall, buy an apple from the supermarket. (outsourcing)
There is no excuse for no execution because of your weakness.
Your weakness evaporates with results.
If you are afraid to move because of your weaknesses, then think about this apple from the tree. There are many ways to get to the result. Delegation, Teamwork, Leverage, Tools, Brute Force and Outsourcing. If you cannot do it yourself, then find another way to execute, then your inabilities becomes irrelevant. At the end of the day, you have the apple in your hand, and that is what matters.