If you believe in yourself and have passion, you can succeed.
Create a life you can't wait to live.
When there is no job related stress, you are more aware of your mate and children, if you are a parent.
Success is not measured by what you do compared to what somebody else does. Success is measured by what you do compared to what you are capable of doing.
Do it, and then you will feel motivated to do it.
Making a big life change is pretty scary. But know what's even scarier? Regret.