Is my boyfriend closeted gay?

I complained on text to my boyfriend that he only likes to hang out with other guys. I've been with him when he is with his friends, and you can totally tell he is way more interested in pleasing/joking and being around them than me. After I text this he replied "why"

Is he trying to give me a hint. I don't know how to read that one word question. Am I looking too much into it?

Is my boyfriend closeted gay?
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