Is he into me? Am I just assuming?

I have a co-worker. He’s new and we did the deed. We’re doing it once a week. When we’re having sex, he’ll hold my hands but he doesn’t kiss me. He so gentle, caring and he always satisfy me first before him. It’s kinda confusing because he is always caressing my hand or hair when we’re having sex. He asked me to run some errands with him and we spent our day off together. He messages me everyday saying have a good day, or asking how was my day. He’s trying to make me jealous my telling me some stories he did but I’m just silent and he never gets any reaction from me. He also wants me to come over at his place to sleep. Just sleep! Is he into me?

Is he into me? Am I just assuming?
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