Someone help meee

Okay so I’m my birthday is on Sunday and I’m going out to drink with friends and most likely get really fucked up and i recently let go of a toxic relationship I was in. I don’t wanna contact my ex whatsoever at all I know myself and I just know ima try too 😣what can I do??? Someone give me some advice please 😫

ps i was with this dude for 4 years he cheated on me 😭