I Can't Hear You

Overheard at WinCo (grocery store) this evening.
(Yes, I did follow them just to see what would happen.)

CAST OF CHARACTERS
B = boy, about 10 years old
G = girl, his sister, about 8 years old
M = their mom

* * * * * * * * * *

B: You're fat.

G: You're fatter.

M: Stop it, both of you.

B: What? I can't hear you. You're too fat.

M: I told you to stop saying that.

B: I forgot.

G: No, he didn't. He didn't forget. He's just mean.

B: Mom, she called me mean!

M: Well, she's right. I can't believe you sometimes.

B: I want some donuts.

* * * * * * * * * *
It's amazing how some people tolerate disrespect.