First: Do not try to pop it back into place like you’re fixing a doll’s head. You are not a plastic surgeon; you are a person who just got hit in the face. Resist the urge to become a DIY nose mechanic.
Instead, lean forward. Let the blood drip into a sink or a napkin—not down your throat. Swallowing blood will make you vomit, and nobody wants to see that at your local coffee shop. Grab some ice (a bag of frozen peas works, too) and press it gently against your nose. Ice reduces swelling, and it also makes you look like you’re about to fight a hangover. Accept the aesthetic.