Boyfriend maybe in depression?

these days my boyfriend is in a bad mood, he talks to me sharply and bad most of the times, he has told me that he doesn't like the city where we study, and he doesn't even like the friends he has, one day we had an argument and he told me that I cause him to be depressed and that I am miserable but later he said that we all cause him a depression
also he said that he want to do something by him self to be alone , listen to some music
but I'm at work in the morning and in the evening
I see him for three hours at noon and after the night when we go to bed
so I don't understand why he want alone time
also he doesn't like to talk about he's feelings
these two days I haven't talked to him cause I'm trying to give him space
so what the fuck should I do?
Boyfriend maybe in depression?
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