I need to understand my male friend?

Our friendship started out nice and smooth, i even began thinking he had some sort of feelings for me. Time flew and all of a sudden he changed, he started by getting angry at everything that i do, calling my parents his inlaws, saying how i refused to be his girlfriend (he never asked me out!). He did something one time, (using his fingers to rub the middle of my palm) then he asked me if i knew what it meant, and i said no. I later asked another male friend of mine and he said it meant the person was sexually attracted to me) which i take to mean he wanted to have sex with me. The problem now is that i dont want sex, i have a huge crush on him but i can't tell him because i dont know how he would respond especially if he doesn't feel the same way. I need to know if he feels the same way about me but the signs he gives out are very confusing and i need help URGENTLY!!!

I need to understand my male friend?
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