They are triplets (or quadruplets, etc.)

The man was a fisherman and was telling somebody on the phone about the large fish he caught. When he used his hands to gesture how big the fish was he hit the glass breaking it and cutting himself.

They are all the best. Laughter is the best medicine, living well is the best revenge, and a good offense is the best defense.

Ask one of the gaurds ‘Which door would the other guard say leads to paradise?’ If you ask the truthful one he will say the lying guard would say the wrong door. If you ask the lying guard he would say the truthful gaurd would pick the wrong door as well (since he is lying). So no matter what you could choose the door opposite of what they say and end up in paradise.

Joe has 31 cards, John has 9, and they trade 1 card.

Walk for about an hour and when you see the guard door open turn the other way and walk towards the prison. They will think you are a visitor and escort you to freedom.

Every year.

She died in childbirth.

Tip the glass of water until the water reaches the rim of the glass and if the water lines up perfectly with the bottom rim of the glass, it is half full.

They were a grandpa, his son, and his grandson.