What should I think?

So I could use all the help I can get. This guy I have been crushing on came over to my house with a bunch of friends to watch movies. We decided to watch a horror movie, and to say the least I was scared. At first he just overlapped our arms and put his hand over top of mine. Then a few minutes later he started to move his hand, then within a few moments we were holding hans and they were interlocked. If I had to get up and grab something I would let go, then whenever I came back our hands would end up interlocked again. Then if someones grip loosened he would squeeze my hand and make sure there was no room in-between our hands. This went on for the rest of the night. When I was scared in the movies he would squeeze it hard and then let me put my hand on his shoulder. I don't want to read into things and assume that he likes me. What do you guys think he meant by holding my hand? What should I do ask him?
What should I think?
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