Does this make me a bit of a beeotch?

i was at a concert and was in line for a tour t-shirt. all the girls in front of me in line were pretty big. when the girls directly in front of me got to the table they asked for XXXL and the guy said they were all out. then I got to the table and asked for an XS and the girls that were in front of me called me a skinny bitch. but I was happy Because I got a shirt.

also I got hungry on my way home from school and stopped at mcdonald's for some fries. the woman in front of me in line there was kinda big. we walked out at the same time, both eating our fries, and I noticed people coming in looking at us. I was kinda happy I wasn't getting judged for eating fries Because I'm skinny but she probably was Because she wasn't.

i don't think I'm better than bigger girls or anything but sometimes when I see them I'm just happy I don't have such a stigma against me.
Does this make me a bit of a beeotch?
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