Breaking up when I think it's gone toxic

To put it simply, I (23 F) feel like giving up on my relationship with 24 M. We've been long distance for a while, but we we're in-person from Nov 2020 to August 2021.

I tried asking if I could visit for spring break. We had discussed this in Jan. and he said yes. We talked about meeting up the weekend before spring break week- we had not decided who would be traveling. When it started to come up, I said I could travel, but I couldn't do the first weekend and preferred the weekend before school started for him again. He just said no, he was going to be too busy and there was an important test the following week.

I got upset; I said that I didn't expect every waking moment with him, but we would just study in the day and go out at night or just hang out. Bottom line, I didn't have any crazy expectations. He said he wanted to make my trip worthwhile and spend more time with me. To me, this was weird because when we lived close together, we hardly ever did elaborate date nights. He just said that it was different this time because I was traveling far.

Ever since then, I've had trouble trusting him. I still can't wrap my head around him not wanting to see me, but he insists that he does want to. He says he does want to make it work, but that it's not if I don't trust him. This isn't the first thing that pissed me off. He didn't send anything for Valentine's even though he made me a cake last year (so he can't plead ignorance). He struggles with making calls because it makes him nervous (?) but is always there to answer if I call first. We plan on meeting up when his school is out, but I'm just feeling extremely discouraged. I don't know if I should give him another chance.