Seems like kids are becoming more aware at a younger age...
Nephew: I just wanted to ask you something.
Tim: Yes?
Nephew: What is sex?
Tim: *CUE THE MOST PANICKED LOOK EVER IN LIFE*
Nephew: *laughs*
Tim: Where did you hear that from?
Nephew: I just heard it.
(This little asshole is five years old.)
Tim: Oh. But where?
Nephew: I just heard it.
Tim: Ohhhkay.
Nephew: I don't think I know what sex is. Do YOU know what sex is?
Tim: ...
Nephew: ...
Tim: *leaves*