You might want to reread your threads when you were separated last time. Unless memory fails me, everything what is happening is almost identical. You need him. He amps up his love bombing. You get together. He’s love bombing for a bit more. Then he stops live bombing and it goes downhill again.

He should not be “showing up” to his soon to be ex wife’s residence. It’s self absorbed and inconsiderate. You might have company. And in fact you had company few times! What if he showed up then? But he’s confident in what he’s doing. He’s smart