"I think I'll keep my distance from them as well as the green ones. At least until I know when it is and is not appropriate to insult their mothers. Because it sounds like a fatal cultural misunderstanding just waiting for the unwary."

He watched the alien barkeep pour out the drinks and leave the bottle.

"Cheers. To..." And then a toast came to him. "...to destroyed worlds. May better ones arise from the ashes."