My boyfriends being distant.

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A few days ago my boyfriend said he needed time to find him self. Which I was hesitant but okay with. Then, his story changed to "we fight too much". Then, he gave me one last chance to chill out and not get so worked up about everything. And I've been getting a lot better. (I have bipolar disorder) but, he's still being so distant.. he doesn't say he loves me when he hangs up the phone and he doesn't call me baby or baby girl any more. I tried to talk to him, but he always has excuses like, "sorry I've been busy" and "I don't have an answer tbh" and I'm so lost and confused. Help!