"C'mon… please?"
"No."
"No one else is up there and I promise it won't take very long and then you can go back to doing your stupid potions essay."
"I said no, Sirius."
"But why?"
"Stop whining."
"James…"
"No. One, we don't have time. Two, they'll all be coming back soon. And three, you don't know the meaning of 'quiet' and I really don't want the entire common room to know what we're doing."
"We do too have time. Plus, you're a lousy wizard if you can't perform a simple locking spell. And I'll be quiet. I promise."
"Sirius, no. You're not going to be able to change my mind."
"Oh, really?"
"…"
"C'mon, James…"
"Sirius, stop kissing my neck. I'm not going to agree."
"…"
"And stop pouting. I'm still not going to agree."
"You're no fun. We haven't had time for a week. I'm getting desperate."
"It's only been four days. Trust me, you'll survive."
"James…"
"What did I say about whining?"
"That it would get you to put away your stupid essay and come upstairs with me?"
"Seriously, no. And don't you dare make a joke about that."
"I won't make a joke if you just come upstairs…"
"No."
"Please?"
"No, Sirius. I'm not going to play another round of Exploding Snap with you. Give it up."