Because they keep stepping on the string.
Pants
mitosis
Girl: Apollo neck jumpers
Cos they like to walk around in their bear feet.
A sheep
Used Tampons
Very little
you call him a little slow
He didn't want no scrubs
It was on a strict diet of worms. edit: changed pronoun to avoid ambiguity
A: Elephants never forget.
They both pull strings for work. (Inspired by Bo Burnham, this popped into my head the other day)