My mum dating my ex

How would you feel if your mum was dating your ex. This was a few years ago there no longer together. i still cringe & think about it from time to time. He was my first boyfriend at age 14 he was also 14. we were together two years not a sexual relationship we were way to young for that. At age 23 i find out there dating she was pregnant had a chemical pregnancy & they finally finished with eachover after a year of dating.

I should be over them dating I'm 35 now i was 14 when i dated ex they got together when I was 23 & he to was 23. They are no longer together. Sorry wanna remain anonymous so doubt I'll reply thanx for reading