Flirting

Thought he liked me but now he's ignoring me

I met him a couple weeks ago and I liked him the second I saw him and it seemed like he liked me a little bit but I wasn't truly sure, but then this past Saturday he and I were both at a friends sweet 16 and most of the time he was watching me and then the last half of the party I hung around him and we were in a normal pause in conversation and then he said "you look really pretty tonight" and I said "thanks that means a lot I don't usually do the hair out of the face thing and he said "no I like it it looks good." And as he was leaving the party he said see you later and he touched my arm so this I took to mean he liked me at least a little but when I saw him after school yesterday he ignored me completely. But I really wanted to talk to him so I had my friend have him text me and he did and he barely said a sentence to me. That was today. Did I do something wrong? :(
Updates
+1 y
I might have seemed reallyyyyy desperate while I was texting him today
Updates
+1 y
He's telling people I'm creepy and one of my really close friends now hate me because of it. I listened to a friends advice last night and texted him "Hey Brandon, I'm sorry for coming on so strong before. I get nervous when I talk to new people." Which sounded good at the time but now I'm way unsure if I should even keep talking to him because the friend who I got into a fight with just told me to leave him alone. I don't even think he's worth the effort anymore. What do you think?
Thought he liked me but now he's ignoring me
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