I got cheated by my girlfriend

Today I caught my girlfriend cheating on me I'm f****** mad i don't know what to do anymore, i f****** loved her more than everything , i gave her everything , but she f****** cheated on me , I wanna kill that f****** ugly as guy, If I met him i swear to god I'll f***** kill that f****** son of b**** , She still doesn't know that i caught her , what should I do to
I just wanna f***** die , i hate myself so f***** much for loving her for caring her for f***** trusting her i wanna end this f***** pain
I f***** trusted her why the f*** she did this to am i that f***** ugly ? Why me why the f*** is me what should I do should i kill both of them and die