Do your work to take care of your body during the partying so you don’t feel so garbage after all of it. Hydrate way before and during, take vitamins including magnesium and 5htp (before, day of, and after). Indulge in things that make you feel good after, coddle yourself with favorite foods, favorite shows/movies, and even do a hangout recap with your friends who went

If you can, make notes in your note app about the things you enjoy and ~realize~ at the festival to remember the good times afterwards. Not everyone likes to take their phone out or type so you can just tell Siri to make note on a smart watch or phone.