Going over the human male penis again. This lecture is being taught by a somewhat nervous substitute. Despite come to an abrupt and lackluster ending, I'm hoping you all learn a lot!

I let people know on twitter that I had, in fact twice cum, for this video in two long takes both of which I forgot to hit "record for". So you're actually seeing the third take, and yeah.... Haha I presented it as premature ejaculation which I think worked pretty well. Hope you all agree!