Any tips on how to get a guy with an avoidant attachment style?

There is this guy I’m madly in love with and we had a past together but it became too much for him when we were about to make it official. I was super anxious then and so was he but then he became avoidant and I ended it. He came back and now I’m healthier and want to pursue him again. He seems to really genuinely like me but I don’t want to mess it up. Any tips on how to keep him? If I pull back and give him space he becomes really anxious and worried that I’m upset at him or something but then I give him all the attention he gets overwhelmed.
Any tips on how to get a guy with an avoidant attachment style?
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