[@FallenTrinity] Technically any age, however most are between 15-18 so perhaps aiming around there would be better? 

... Erm sure? He can laugh but I just don't like it. It's not a factor to your character's eligibility. 

Okay, then that makes it all the better for a younger age. As he grows up and becomes a man he can open up? It'll still suck for you to develop him but I guess that could work. Just add more to his personality please. 

I can't help you on history. It's YOUR character. I can help with techniques and alternatives to details in the history. The problem is, the WHOLE thing needs a change. I can't write that for you.