What to do when my boyfriend stop supporting me financially?

I have been with him over 3 years and before we got in a relationship we made a deal that he will support me financially every month, I love him so much but not much enough to deal with his BS. If he didn’t give me money I swear I wouldn’t be with him this long. He lied , cheated and abused me. But I stayed with him cuz financially support. Now he said he won’t support me financially anymore, should I just leave or stay? I love him but I’m not sure if I can stay because of how he treated me whole relationship. It must sound like a sugar baby sugar daddy things but we do have normal relationship.
What to do when my boyfriend stop supporting me financially?
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