Brotherly Love

AB:"Give me back my Lego's"
UB:"I had them first"
AB: "But they're mine and I want them back." grabs them from UB.
UB:"You're a dumb moron"
AB: "Mom, he just said I'm ?!!?."
UB: "OK, I"m sorry, you're not dumb, but you are a moron"

AAAHH, at least he apologized.