You know how when you want to get a cat to play with you, you make the toy appear, and then disappear, and then stick it out a little bit to get the cat enticed, and then hide it again? That’s what abusers do to people. They give them just a little taste of love, then take it away, and then just when they are starting to lose interest give them a little bit more, only to take it away again. They do it because it works like a charm.
Block his number. Block his social media. Do not allow him any presence in your life. Do not leave a door open “to get closure” or to “clear the air”. He’s a fire to you and you need to cut off the oxygen. The man is a bad person who does not deserve your love, attention, or affection.
The typical answer of “therapy” will probably help you understand why his techniques worked so well on you.