| [25M] am having a secret affair with my girlfriend's aunt [43F], and we can't stop it.

It all started at a family dinner that my gf [24F] brought me for a family dinner two month ago, and I had the opportunity to meet her divorced aunt (let´s call her M). To be fair she has a nice body and I do frequently go to the gym (I have an athletic body).

At the dinner, everything went very cool, laughing, joking and her aunt keeping her eyes on me, and we even scheduled a workout together M and I). At the gym, the flirting became much more obvious. She kept touching my arms and squeezing my biceps... I started flirting back, and the chemistry between us was undeniable.

The tension got stronger. We started texting outside the gym, then finding reasons to see each other more often. Until I invited her one day to my place after a late night workout, had some drinks and I leaned in and kissed her and undress her.

I started fingering and eating her on the couch, and made out again, and I went inside missionary style, unprotected, while still making out with her and she was running her fingers on my back. As I was way too excited I came inside early and was kinda embarrassed, which she told me its okay, and we went back to my room and had a round two, while I was standing and her in a doggy position on the bed. The next morning we decided that we shouldn't do it again.

Three, four days later, after work I found myself inviting her back and we did it again. And it is now a regular thing. M even invites my gf and I more often to have dinner or lunch or family reunions. My gf has absolutely no idea, and part of me knows this has to end soon. Another part of me can't seem to resist it. I am also writing this, while my gf is sleeping next to me rn.