Me and my boyfriend live with his dad. How do I act kind and not come off rude or weird?

So I have like really bad anxiety in General. And recently I’ve been staying with my boyfriend at his dads house. But my boyfriend said I come off as rude, even though I don’t mean it. Also the dad said I am too closed off.

But I have really bad social anxiety, and my boyfriend and his dad just started to really bond for the first time. So he is a little weird around his dad also. But I am trying my best in my eyes. Any tips on this?

I’m just naturally a shy and reserved person, but I feel bad that I come off as rude. Also I’m not sure if my boyfriend really wanted me to stay here in the 1st place so it just throws everything off.
Me and my boyfriend live with his dad. How do I act kind and not come off rude or weird?
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