Why he Ignore me , and feel shy when he sees me, he even look down when he sees me? I'm gay but act like man?

Hi to everyone who is in love with their friend, I have been in love with my friend since we became close, because his sister is also my friend and all his relatives are close to me. I'm gay and he's straight guy But all that changed because we make up on the bed and became awkward with each other, so we secretly met at night, but we met when he's drunk. I left our town to work in a far away place, and went back home after 1 year, I chat him,( I ask some question if he is playing this game and ask their wifi password) but after a few conversations he suddenly block me, I was confuse and feel stress that time, because I was surprised that he suddenly had a girlfriend after a few days. That's why I made fake account and chat him sometimes but he's rarely replied. Now I want to know if he likes me or I'm just assuming he likes me back.
and I want to have some advice how can I be with him again, because he's tottaly not responding my chat to him... He ask me to see each other again to hook up but, " I said I'm busy I'm with my friend (he's second cousin is my friend) , maybe we can do it next time, and the next night he saw me with my friend walking with he's umbrella coz it was raining , I'm not assuming he's Jealous, or maybe I hurt he's ego" after that he's like shy to look me in the eyes.. he's like uncomfortable to see me and as well as when I'm around " he can't even look on me anymore, please hope you can give some reason why he's being like this, and want some love advice , and I want him back, sometimes when I message him he only give me thumbs up and sometimes he only seen it, I'm confuse because before He calls my name and make funny face but now he felt awkward.

Why he Ignore me , and feel shy when he sees me, he even look down when he sees me? I'm gay but act like man?
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