You don't have to delete, you can put it on vacation mode for a while, but if you insist, its in the account settings.
hold down where it says me with your pic then pick account settings. Seriously though are you sure this is what you want? I reccomend putting it on vacation mode, you have the most friends I've ever seen any user have I wouldn't delete if I were you
Good idea because
You only get one shot do not miss your chance to blow, this opportunity comes once in a lifetime yo
I wanna leave, too.
Yes, it does.