This may be controversial: You should have gratitude for every step of your life that led you to where you are now. The past is in the past and can’t be changed, so why let it make you weak?
The following music was used for this media project:
Music: Lord Of War [Full version] by MusicLFiles
Free download: https://filmmusic.io/song/10223-lord-of-war-full-version
License (CC BY 4.0): https://filmmusic.io/standard-license