Advice for a Friend

The issue is is that they are not dating and he seems to not want to be in a relationship. They are both college students and work so life is hectic but it seems like he doesn't make the time. He doesn't text her very often and when he does he will fall asleep in the middle of it and not say anything about it the next time. They go days without texting and she seems to initiate a lot of it. 

The guy does have depression and it was getting bad for a bit but for the last few months he has been able to handle it better.

My friend wants a relationship and once told him that she loved him. He replied that he, "...couldn't imagine being with anyone else.." but he didn't "want to hold you (her) back." This was 5-ish months ago. She has told him she loves him in different occasions but he has never receiprocated. She sometimes refers to him as her boyfriend in groups and can be a bit clingy.

The last time he was up, they and a group I was in, went out. At the restaurant, he insisted that there be separate checks ( I know she could pay for her own meal but he is a gentleman at heart.) They didn't show any PDA, not even hand holding and we went to a longggg movie afterwards. (Before they would hold hands or he would sneak something cute.) 

I am just wondering: do you think he is over it?

I am getting this feeling and want to bring it up to her but I know she will get defensive and try to downplay it. What do I do? I don't want to butt into her life but I don't want this to break her.

Thanks in advance, especially if you read it all! 😁