Does he really want to leave or is he bluffing?

So my boyfriend threatened to leave me 2 times this week. First was because he said he was doing it to get his way in a situation second he said he wanted sleep and was using that so he could get some sleep. He says I’m clingy, smothering, and controlling and that he can’t handle it anymore. I’m trying to work on this with him. He tells me he loves me and wants to make things work but I don't know. He said he needs space from me.

Does he really want to leave or is he bluffing?
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