Knock Knock - Remember

Bob: "Will you remember me tomorrow?" 
Bill: "Yes"
Bob "Will you remember me next week?" 
Bill  "Yes"
Bob: "Will you remember me next month??"
Bill: "Yes"
Bob: "Will you remember me next year?"
Bill: "Yeah"
Bob: "Knock Knock"
Bill: "Who's There?"
Bob: "See, you forgot me already!"

Sticks and Stones

When a horse has a small penis, the other horses tease him by saying he's hung like a human.

500 Girlfriends

Q: What do you call a villager with 500 girlfriends?
A: A shepherd.