Why are naturally thin people are more accepting then naturally bigger people? Why can't we just love people for who they are and not outside?

prettyface
Ok, so I've seen a lot of debate about big and thin people. We all keep making gerallizations that skinny count calories and bigger people are slobs. Why is it that when someone who is fat says that their metabolism is slow, it is consider an excuse, and people bash the shit out of them but we don't complain when someone's metabolism is fast? I am a bigger girl that works out regualrly and my friend is like a size 4. She does nothing she sleepsall day and literally drink like 2, 2-liter pepsi a day or in two days. Her habits are horrible and she never works out but I hate that between the 2 of us, she would be considered more desireable than me because she is smaller. I've seen may people complain that bigger people have have heath issues along the road. Remember, I am bigger and work out and try to eat healthier while my friend eats whatever she wants and don't gain much weight. Who is gonna have a better lifesytle in 10 years? Why do we like to bash people so much?
Why are naturally thin people are more accepting then naturally bigger people? Why can't we just love people for who they are and not outside?
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