Flirting

Play fighting with my guy friend/crush, could this mean he's interested?

A male Co worker/friend of mine (we actually hang out together outside of work, usually in a group, but a few times it has been just the two of us, which has always been initiated by him) well he invited myself and a few others to a house he was house sitting, we were all supposed to sleep over but everyone else bailed so it ended up just being me sleeping over, he set up the couch for me to sleep on but then offered me the other side of the bed if I wanted, which I took him up on. He didn't make a move on me all night, but we spent the entire next day in bed just talking and watching funny videos, I also broke the touch barrier with him by lying next to him and our upper arms touched. And then he said I was welcome to come over the next day and hang out with him if I wanted to. He had every opportunity to invite our mutual friends as well as he worked with them that night, but he didn't. So the next day I went over and we were hanging out in the pool and he started play fighting with me, we were fighting over a inflatable donut, and he was trying to get me out of it by picking me up and throwing me out. He also tried tickling my feet. This is the first time he's ever touched me first, so I didn't know if he just thinks of it as friends or if maybe there is something more there for him too?

We do verbally play fight all the time, banter is sort of our thing, but I figured that could just be friendly.
Play fighting with my guy friend/crush, could this mean he's interested?
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