First, accept that your new venture failing is a real possibility just like your old one was. The only difference being that back then you had less to lose.
Second, create a MVP and instead of using your own money, get someone else to invest. This should ease your anxiety a bit.
Third, find a job in the domain other than the one you have a non-compete in. Find what kind of skills you can transfer across different industries.
I can recommend three solutions.
First, accept that your new venture failing is a real possibility just like your old one was. The only difference being that back then you had less to lose.
Second, create a MVP and instead of using your own money, get someone else to invest. This should ease your anxiety a bit.
Third, find a job in the domain other than the one you have a non-compete in. Find what kind of skills you can transfer across different industries.