Actually, this probably isn't safe for most homes, either.
Brought to you by Kevin Smith and the cast of his new movie, Zack and Miri Make a Porno:
(If you're wondering where this came from, see Salon.com's chronology of effing videos.)
It's too bad that Elizabeth Banks can't actually sing. I'm almost as disappointed as I was that Alyson Hannigan didn't have the pipes to do a full song in the Buffy musical episode.
And to wrap up this musical tribute to intercourse, check out Jonathan Coulton's springtime anthem "First of May", which you can download for free. Because, as you know, the best things in life are free. And you can give them to the birds and bees.