Ideas:
"you should right that idea down on a piece of paper and forget about it..."
"save yer breath for your blow-up doll"
"if i throw a stick will you leave?"
"euthanasia should be compulsory"
"i sincerely wish gravity gives up on you"
maybe you should make a big thing of the rolling eyes, as if everything he sees or witnesses is sooooooooo tiresome...
"theres two things about you that i hate - everything you do, and everything you say..."
please bear in mind ive not thought any of these out, i guess you can kinda tell....
