Since we are all here to decide how he F*&#@ up his life, I'll chime in again.
Clearly he wants to trade not go back to school and maybe/maybe not get into a career he likes after that. Also, going back to make money pushes his age back even further. Wife kids house in Devon....NOT the time...
You are young, and can take chances. Now is the time!! But no, I would say that going into debt to do it is a bad idea. Plus you obviously need help since you weren't successful the first time so...join a proprietary room where they can give you the kind of help that MIGHT put you over the...