Why is a giraffe's neck so long? Because his neck is way up here! (Dad Joke)
Dreadful.
When it becomes apparent.
Because they were neckromancers
What do you mean what do I mean?" replied the man. He went on to explain "My son has half my genes, that makes him my half-son." The woman he was talking to decided he was crazy and without replying walked past him. She looked back and noticed his neck was red, after all it was a sunny day.
Because the head is so high up.
