He IMs/calls every day but calls me dawg/bud/buddy?

I met him via work several months ago. When we first met, it was just maybe a couple a times a week chat and just short chats. Then about 6 months ago, he became everyday all day. He almost always starts the chats/calls (99%). Then keeps making up reasons to keep talking to me (I know he does this). But he's calling me Dawg, bud, buddy and homie? So I thought he might have liked me, but calling me those nicknames make me think all friendzone. Any advice?
He IMs/calls every day but calls me dawg/bud/buddy?
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