"As long as Sam is okay with it of course, would you like to have a go at cleaning Sam's teeth? You know, get a bit of revenge, if you like, for all the times you've been stuck in the chair? It might help distract you from the pain of your braces too." Sam chuckled. "I think it sounds fair" he said looking up at both of us from in the chair. "You've got to supervise extremely carefully though, okay Adam?" "Yep, okay" Adam said. "So, what do you think Billy?" I think it sounded like a bit of fun. It would be Sam stuck in the chair this time rather than me, and he was the receiver rather than me. I liked this role reversal. "Okay, sure" I smiled, accidentally showing off my braces again. "Cool bud" Adam smiled back, showing off his pearly whites. He stood up from his stool and rolled a

