A good one is:
(If this is too racy or something, I'll edit the post.)
Yes, probably not
Yes, more likely but still probably not
Yes, more likely but still probably not
Ha ha ha ha ha... no. But this is a good thing to say happened to you if you do get pregnant.
Yes, dumbass
Yes, not that likely, but... dumbass
Extraordinarily unlikely if you do it right, but you probably won't
Yes, but you shouldn't even try to avoid pregnancy this way... according to certain authorities
Extraordinarily unlikely if you do it right, but you probably won't
Yes, but very unlikely
I would add: How does girl get pragnent?
