When the door opened, Kurt braced himself. There would be a glare and a reprimand about him being late. He would stand there and nod and try to explain. Liam would finally let him in but would still complain about it. He would promise it won't happen again but in the end it always does. The whole cycle occured so often, it was almost a routine dance. 

And sure enough, there was Liam, glaring at him. He ran a hand through his hair. "Sorry, sorry. I was working in the dark room and kinda forgot the time. I would have called but obviously, I didn't have time for that while I was hurrying over." Kurt explained smoothly. He was about to say something else when his eyes fell on the bandaged arm.

He raised an eyebrow and studied his friend more thoroughly. There were dark circles  under his eyes and his shoulder were hunched. "What happened to you? You look like hell." His eyes shifted from Liam's face to his arm.