Getting made fun of because of my skin?

Well, today we were outside playing soccer and i was talking with my ex-friends and then i asked if they were going out so I made a little heart around them and they got mad and said I was a so I poked him really hard in the arm and he said ewww germs, so I kicked him hard as I could in his but and he started crying so I laughed at him, then my other friends told me a story about one of the ex friends jasmine when she was in grade K when she lost a tooth and put it in the container and when she opened it up and it smelt so i called her stinky tooth. then robert stopped crying and said, " AT LEAST I WASNT CALLED FLAKEY FOR 5 YEARS" because I had alot of exema on my face. so then I started tearing up and ran into the girls washroom and started crying. while I was crying i saw 2 of my friends running after me trying to make me stop crying so they hugged me and all that. then they left and my best friend came in and told me her heart was beating fast and hard, she was