What do I do?

I’ve been having out/hooking up with this dude for 3 months now. At first I thought it was just a hook up, but we kept hanging out and he’s invited me to all his friends, we’ve gone on a trip with them too. Last week I confronted him after he ignored me for 4 days and I asked what’s up. He said he thinks we should hang out less now. He told me he barely lets any girl into his life like this and that he thinks it happened too fast. He then told me he’d think about it more. We work together (I know, don’t need to hear about not dating coworkers). We had the same shifts for the rest of the week and he was actively avoiding me.

Well, 2 days ago we worked together and he was super touchy and talkative. We ended up hanging out after and he was all over me. I asked him later why he said what he said days prior and he said he’s just going with the flow. Idk if that means he thought about it and is just letting it be. I knew he had commitment issues from the very beginning. I mentioned the other day that I wanted to go see a movie and he took me out to see it. No sex after (which is totally okay) just hanging out. He asked me what I wanted to do the next few days so we’re hanging out more. idk what this all means. Idk if he was scared to let me in further because of what happened in the past, but realized he should just go with the flow??