interest

Kinda wanted to see what really cool zoo pavilions/indoor displays/whatever you may call them other people have seen. Note: if you have pictures please feel free to share them.

I just wondered whether it is possible that your zoo-interest actually can disepear "over night"? One guy I know said to me "that you need to be carefull not to loose your interest, when you get in your teens all you are interested in is girls, and your interest can disepear, for life". Is this...