Appeal to him and his better nature

From Create Your Own Story

"Come on now," you say, smiling. "You don't want to accidentally hurt someone," you say, trying your best to sound like you're just trying to help.

He nods, and reaches out with a trembling hand to give you the gun. As you reach for the barrel, it goes off, and a round flings out and slams into your chest. You topple backwards down the stairs in incredible pain, a sucking chest wound wheezing air and blood all over the place.

"Sorry!" Mr. Park calls down after you. "Very sorry!"

You hit the first floor landing and curl up into a ball, bleeding profusely. Mr. Park stands at the top of the stairs, apologizing as you bleed out.

You can't say you don't deserve it, with what you were planning.