In less than 12 hours, I'll take Ben for his colonoscopy and he refuses to let m...

In less than 12 hours, I'll take Ben for his colonoscopy and he refuses to let me write a message on his buttocks. I don't know why he tries to steal my joy.... but if you were going to write a message on your spouse's buttocks before their colonoscopy, what would it be? (you know, just in case he changes his mind..)