Im chatting with one guy sometimes we chat nonstop for hours but sometimes he is busy due to his job, he is soldier?

He is working for military and we are chatting but sometimes he responds 2 days later etc. But sometimes we talk for hours, and he texted me double times when I ignored his message before. I know when he is in army he is busy but I don't know, plus he is a bit serious he doesn't like to share his personal stuff only when i ask and he was neutral to me all the time he never tried to flirt, but lately I feel like he is been nice to me like saying "cute" to me. I guess I like him but I don't know if he likes me? Does he sound like he likes me too or just he is chatting to fill his empty times?

Im chatting with one guy sometimes we chat nonstop for hours but sometimes he is busy due to his job, he is soldier?
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