“You brought me grenades. You are officially the best girlfriend ever.”

“I see you brought along your violent little girlfriend. What a nice surprise!" - Saint Dane (The Reality Bug)”

“Percy hefted a bronze grenade. ‘I hope you labelled these right.’
He yelled, ‘Die, Romans!’ and lobbed the grenade over the wall.”

“You shouldn't be afraid of me because I'm a vampire. You ought to be scared because you just trash-talked my girlfriend.--Michael”

“You are sufficiently like me to officially be interesting.”

“Life is like a box of Hand grenades, You never know what will blow you to kingdom come”

“Who cares if you have a girlfriend, anyway?"

"I care" Simon said gloomily. "Pretty soon the only people left without a girlfriend will be me and Wendell the school janitor. And he smells like windex.”

“You want to take me to a movie?" I asked.
"Well, not really," he said. "What I really want is for you to be my girlfriend. But I thought saying that might scare you off.”

“We never needed best friend gear because I guess with real friends you don't have to make it official. It just is.”

“Aren't you going to introduce your little girlfriend to your mother?”