What would you do if a girl you just started dating says she has had more men than her age and she cant even remember some of them

Hi Guys,I would like your opinion on something that happened between me and my female friend over the weekend.
There is this lady I have been dating over a month and everything was fine until yesterday,which was her birthday.I met her just over a month ago and we have met up only four times due to the nature of her job which involves alot of travel around the world.We hit it off like a house on fire and things have been really intense and we have been intimate a few times.She told me when we first met that she wanted to settle down and have kids if everything went well between us and I wouldn't mind settling down with her in future.it was her birthday yesterday and I went all out to impress her,I bought her expensive presents with flowers and took her out for a romantic meal.When we met up she asked if we could go to her friends rave after dinner and said this friend was someone she once slept with back in the day but they are just friends now.I kicked against the idea and she accused me of bring insecure and I later gave in just to make her happy.We went to this club as planned and she introduced me to this guy as her date which wasn't a problem for me.We had a wonderful time until later in the night when I saw her talking to this friend while he held her by the waist.I felt it was disrespectful and she knew I was upset and I later went out to find us a cab back home and she told him she thought I had abandoned her after the incident.we argued over this event and am not sure I want to settle down with someone like her.I do like her a lot but am prepared to let her go as well

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