Fun Riddles

Question: A farmer has a ton of strange animals, but he has to sell one of them. He has a pig with two tails, a cow with two utters, a horse with two right hooves, and a chicken with only three toes on each foot.

To keep his livestock as weird as possible, what animal should he sell?

Question: Three men rob a store but come out completely changed. Yet they continue robbing other stores.

What kind of store did they first rob?

Question: What's always coming, but never arrives?

Question: I'm heavy but not backwards.

What am I?

Question: What does a man do only once in his lifetime, but women do once a year after they are 29?