Is he ignoring me or just want to talk to hookup?

So we've been hooking up for 4 months he broke up with his girlfriend and has been messaging more and answered when I call. Until about a few days ago he keeps saying he's busy but it's after 6 like he's not at work. Im thinking either he's with his friends and is embarrassed of me or he has a girlfriend again. Because he'll message me but whenever he wants

Is he ignoring me or just want to talk to hookup?
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