Is he pushing me away?

I have been seeing this guy recently, it was going really well and he has told me how much he likes me , I have also met his family and friends and he talks about us in the future tense , but recently he seems so off with me and snapping at me. It’s really hurting me , I think he’s pushing me away or trying to hurt me before I hurt him , I am going on a girls holiday soon and he keeps making jokes that I will go off with other boys I don’t think he trusts me , I know he had a very horrible and toxic past relationship in the past but he’s really hurting me at the minute and I don’t know what to do.
Is he pushing me away?
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