Girl I’m dating is friends with her ex, also friends with his business partner, who my girlfriend tell me is very cute. Very insecure about it?

Anonymous
I met the girl I just started dating at a bar with my friend, who introduced me about a month ago. This girl is super sweet, and tells me a lot considering how soon it is into dating. I appreciate it a lot, but I have insecurities. The owner of the bar is her ex, which she tells me she doesn’t have feelings for anymore and it’s been a year since they started to hangout with all their friends again. The co owner is another guys she’s friends with and tells me she likes him a lot. He’s a great guy so I can’t blame her and I’m starting to get to know him as a friend, but tells me she wants to do sexual things with me, that’s the difference. The way my insecurities run through me head are drawn from the fact that she’s so outgoing and entertains everyone including them. She’s dancing and singing, and touching them, and they both speak Spanish like her, but my concern always lies with what if something more happens when’s she’s drunk from what I’ve seen. Obviously I can’t control the what ifs but I want to learn how to deal with my inner insecurities regarding these two guys.
Girl I’m dating is friends with her ex, also friends with his business partner, who my girlfriend tell me is very cute. Very insecure about it?
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