Guy's Behavior

It feels like he is distancing but I dont know?

Me (21f) and this guy (21m) met on a dating app in Oct. I didn't find him my type so i ghosted him. Turned out he was from my uni and we met at a Halloween party his frat was holding. I still avoided him after even on text because i was embarrased from smth that happened at the party. Soon after we met a week before a competition we both were participating in and we started getting close. We started meeting every day since first week nov. Study together, go out for food, hed uber me home, help me with school and uni work, we would yap for hours. His ex was one in my circles which was weird but i didn't see him that way. His ex traumatized tf out of him (cheating 5 times, potential defamation on campus) etc. Everyone saw he is into me but i was in denial until Dec 2nd week till i fell too. Everyone assumed we were a couple but had no physical contact. Max id lean onto him if im dead tired. He would always feed me food, check in on me, tell me to prioritize rest. Sometime in decemeber, AFTER I friendzoned him, we got closer, we cuddled, slowly started holding hands, then kissed, and then I asked him what we were and both admitted to liking each other. Soon within a week had sex. He reassured me nothing would change despite my anxiety from sex as we both agreed we jumped into it but it got us closer. He has always been very gentle and communicative with me. I had to leave for holidays but we in touch. His family is here to visit, im 2hrs away and we barely have been talking properly these days. can't evn call, it feels like he isn't reciprocating feelings. I went to visit for a night for everyones bdays and that night he still was tired and out of it and after sex said he wanted the night alone and apologized, i had to leave after he passed out. he did say he want to take it slow casue he doesn't want this to fail. he tries to text me where he can or do a quick call but im overthinking so much and dont know what to do or how to feel about it and I am going nuts.

It feels like he is distancing but I dont know?
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