Translation of "odrastao" into English

Prije ili poslije, svi moramo postati odgovorni odrasli ljudi.

Yes, sooner or later, we must all become responsible adults.

Pa, sa tobom ću naučiti da budem odrasliji i odgovorniji.

Well, I'll learn to be more mature and responsible with you.

Ali ja sam odrastao veći i topliji od tada, a on je mrtav.

But I've grown bigger and hotter since then, and he's dead.