What the fuck?!

at dinner, my sister started lookin at me funny. i asked what was she lookin at. she asked, "did ur butt get bigger?" what the fuck?! i replied "did ur zit get bigger?" shes lucky i didn't kill her at that moment. geez im self-conscious bout my body enough! and tellin me im getting fat makes it worse. god!
my ass kinda looks like this:

this is what my ass-hole sister saw: