He has been distant, talks less to me, sometimes doesn't answer, and is hot and cold
Okay... and? You are placing expectations of texting behavior on a guy you aren't in a relationship with. That makes no sense.
Well we used to talk more and he wasn't distant before so I feel there is something wrong...
We are online friends... I don't see what attraction has to do with anything
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Doesn't talk to me as much, sometimes doesn't answer me, he's hot and cold
you should talk to him about this highlighting the specific actions he is taking to make you feel like this but you should also think about what is going on in his life to find a reason for his actions. or maybe its nothing