How to stop overthinking about past financial mistakes for a teenager ??

A piece of advice for the 20's from above 30's [Iam unable to sleep at nights and wake up in anxiety due to my financial mistakes I made in early 20's(iam still under 25) .I overthink alot due to these mistakes .how can I overcome thinking and lead my life in peace 😭] Note:Never into gambling,stocks, investment etc. Just for partying,vibing, traveling , filling stomach etc Around(2L-its a big amount for me and my family)