My (M25) girlfriend (F22) said something today which has me questioning everything

My girlfriend of 3 years said something which has me questioning everything. I’m a 25 y.o. male who works as an engineer at a large firm and she works as a teller at a local bank. We are both generally overweight but I’m working on it. <br><br>We were eating lunch together in the car (because of COVID) and she says “you know, if you were better looking I’d **** you more.” I was taken aback by this, first of all because she hasn’t said anything about my appearance before (just called me handsome, etc., everything like that). I asked her if she’d been thinking about other guys while we were together and she said yes. I asked her if she loved me and she said yes, and that she wants to marry me. I asked if she was okay with us breaking up and she said yes, and that she’d take half of my savings when we split up. I asked her why she was still with me, and she said it was because I made good money and I was nice to her and I wasn’t a weirdo. I asked her if she was providing me with financial support to keep being with her and she said yes. I asked if she was okay with me breaking up with her and she said yes, and that I should take her to the mall to buy clothes after lunch because she’s “earned it.” I took her to the mall, and she told me she loved me and wants to be together forever, and that she wants to have my kids. I don’t know what to do.<br><br>Update: Well I did it. I broke up with her, and it was incredibly liberating. The whole time she didn’t believe me, and thought I was bluffing, and when she realized I was serious she started crying and begging me to stay. I didn’t stay. When she realized I was leaving she told me that she wasn’t actually in love with me, but she said she was because she knew it would make me happy. I don’t know what kind of fucked up relationship she thinks we’ve had but I’m so glad I’m out of it. Thank you all for the support and advice, I appreciate it. <br><br>And to all you ladies who are happy for me but sad that men are assholes and women have to play the game, I’m sure you played some part in shaping the men you date into the men they are today. <br><br>Also, I really appreciate the gold I’m getting here. I have never had so much gold in my life. Thank you all.