In all 3 cases, someone forgot to pull it out.
It burns too easily
Because doing so would be incense-itive!
What did the elephant say when it was pulled out of a pit by the Balls? Thank you Mr. and Mrs. Ball!
He ate the dentist.
Because God couldn't find 3 wise men and a virgin.
A: You don't you see if you've got 3 condoms.
She delivers.
Its easy to break the little light inside them.
He forgot the safe word.
He forgot to wrap his whopper.
Failure to pull out in time
Some douchebag forgot to pull it out in time.
In each scenario, there's a dumb guy who didn't take it out in time.