He wanted sex or likes me?

I met a guy 3 weeks ago and we ve texting non stop. He's come over to my house and we ve slept together as well.
He asked me to go with him to one week vacation with him and I went with him. We had a lot of sex there and it was fun.

After we returned, we texted a lot for a week and met up a few times for lunches and dinners.
However, now he's pulling away and cancelling date plans.
However he still texts me past midnight that he wants to see me.

Why do this?

He wanted sex or likes me?
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