I agree with Booger, I don't think a 5-year old's perspective on things sexual is much to think about. Fortunately, at this age, the Cartoon Network still has more influence then the genitals.

Now if he were 7.



On the other hand, if he'd said something about seeing a sheep with it's head caught between two fence posts and feeling a degree of excitement at the possibilities ... nah ... forget that stuff ... go back to the Cartoon Network.