If you had a second chance?

Careers advice at school consisted of a set of alphabetical leaflets in a filing cabinet, I got as far as B before getting bored so chose banking. I hated every minute of it so went back to school to get a place in Uni planning to study Civil Engineering ( little idea what that was at the time but it seemed opposite to banking). Much to my parents dismay I then turned down places in Uni and joined the RAF as an Avionics(electronics for planes) engineer. I moved into Computing while still in the forces and carried on that career when I re-joined civvy street. One major regret in my career was choosing a path where I ended up replacing my IT technical design work (which I loved) with managerial headaches (which I hated). Managed to retire early and happy so probably wouldn't change much.