Guy's Behavior

MMy boyfriend acts differentwhen we're alone together vs we're around other people?

So we've been together a year, known each other for 2. And I've realised that my boyfriend acts different like a complete change in personality. When we're alone together he's all sweet and cuddly and consider, he's teasing and goofy but not too much and he keeps that energy around my friends. When we're together around his friends now it's completely different he's still sweet and checks on me and keeps an arm around me or whatever but his teasing doesn't feel light hearted or whatever abd he's a lot more touchy feely and asking for kisses or whatever and pda which isn't my thing but he doesn't do that around my friends. Yh tye pda requests make uncomfortable I turn him down no matter how much he insist. Then the teasing comes in he hasn't met my mom yet but he has met my siblings or friends. I wanted to bring him to Christmas dinner to meet my family but I'm second guessing it since while we were hanging out with his friends he said no one that knows me knows he exists , I haven't met his parents either I have met a few of his siblings and some other relatives and friends yh but that's it. He kinda made ot sound like I'm keeping him a secret. I don't like texts I prefer calls so I called him abd we were talking i had to go do something for a minute promised to call him back and I hear , u can text me like normal people before I hang up so I ask him to repeat cause I probably heard wrong he refuses to repeat he was around his friends. I ask. if he doesn't like me calling him he says no he was teasing but whenever he says stuff like that he's always just teasing but those words hurt and he doesn't get it. I have tried explaining to him but doesn't help. So i just stop doing stuff he makes snarky comments about. I always preferred sitting in his lap , he said I was too. much on him he needed space I stopped and sat on chairs, he said y I called him so much when I use to sleep more after he told me I sleep too much I went back to sleeping more.

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I don't know I have tried but the comments hurt.
MMy boyfriend acts differentwhen we're alone together vs we're around other people?
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