Beast Boy's smile slipped a little. He rubbed his hand behind his head awkwardly. "I'm sorry, dude. I shouldn't have made you sing if you didn't want to..."

Man, now he just felt guilty. He just wanted Kite to have some fun, but pressuring the poor guy into doing something wasn't going to help things.

"Well, aren't I a..." He paused, then morphed into a donkey and brayed sadly. The little green equine's head drooped and his long ears fell back in shame.

He thought the point got across pretty clearly.