Am I’m being insecure?

I have not had the best relationships in my life, so when my boyfriend was getting snacks this morning, he spent a lot of time chit chatting with the cashier. Comes out of the store and say oh me and my co worker stop here all the time, she was showing me the spring flavors… like how often do y’all stop there to be that friendly? I’m in therapy and trying to work through this but sometimes I think I’m getting screwed over.

Am I’m being insecure?
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