Is he trying to tell me he’s into guys?

At first he had a water bottle, he was swinging it back and forth. Clearly my mind is dirty so I was thinking the wrong way but moved on. Then I look and see him doing this
Is he trying to tell me he’s into guys?
But he wasn’t drinking the water or anything, he just held it to his mouth for at least 2 minutes. And he kept looking at me like he was aware I was looking?
Is he trying to tell me he’s into guys?
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