chilehunter said:I guess my 1 uncle must of been a real bastard then, he has 5 daughters
Nah, he's just a horny bastard!
It isn't fool proof. If you mis-time the surgical strike for 3 days before the ol' egg shows up, the male sperms will have gotten there, swam around for a while and croaked and the female sperms will be just getting a little bored when that egg shows up to be pounced on.