Leaving aside the somewhat trite and obvious remarks about all past experiences making a person into who they are now blah blah blah (true, but anyway...), a few things come to mind:
* I'd have worked harder in high school and at uni;
* when someone asked a particular question, I'd have said yes (or at least maybe);
* I wouldn't have asked a particular question;
* I'd have left my dog at home.
* I'd have worked harder in high school and at uni;
* when someone asked a particular question, I'd have said yes (or at least maybe);
* I wouldn't have asked a particular question;
* I'd have left my dog at home.