Random afib

I'm 35 years old and very active. Completed 75 hard last year and then about a month after I finished that I went into AFib. This was October of 24. Since then I've gone into AFib 7 times total with no real reason as to why. I'm reaching here but just trying to see if anyone has had anything similar and if so how did they resolve it. I've done stress test, monitor ,CTA , echo and the cardiologist says my heart is perfectly healthy. I just have had chest pains since the first time it has happened and it's starting to consume my life. The constant worrying if I'll go into AFib again. I don't know if a cardioversion or an ablation would be worth it or even help. Any input would be appreciated!