Christian set Avery down on a bench that someone generously vacated after seeing she was bleeding and he pulled a pack of tissues out of his briefcase. He handed her one and told her to pinch her nose and lean forward with the hand that wasn't covered with blood. She was curious why that hand until he grabbed the bloody one and began wiping it off with another tissue.
What was he doing?! Didn't he know how gross that was? She could do it herself! Eventually. Probably not until she blood dried since she was too preoccupied with stopping the flow. But still!
The tissues weren't working entirely on their own and a kind passerby with a diaper bag gave them a few baby wipes and a sympathetic smile. She was grateful for that because she felt slightly less gross now. It didn't change the fact that she had blood on the front of her uniform or smeared under her nose but she couldn't get to that as long as she was holding a tissue to it.