There is no clear answer, some youngins are old and some oldins are young. Another opinion: At least 80. On the lighter side. This answer was kindly dedicated to Lazarus
absolutly not. just think of it his way, is a 27 year old to old for a 25 year old. so go out and have fun with her. dont do anything stupid. and you know what i mean. i was 15 once too. not that...