Ailment jokes

What's the difference between someone with dystonia and someone with misophonia?

One makes the annoying noises, while the other hates the annoying noises.

How are this joke and the kid with cancer alike?

It never gets old.

Errrrrrrrrr my spine doesn't work.

Eeeeeeeerrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr!