Leonard: *running towards Klein with open arms*
Gehrman: *moves out of the way*
Leonard: Hey, why'd you move?!
Gehrman: I thought you were going to attack me.
Leonard: I was going to hug you!
Gehrman: Why would you hug me?
Leonard: WHY WOULD I ATTACK YOU!?
#克伦
After years of together klein start to ignore basic manner or politeness when he's with Leonard. Like immediately teleport right behind him or teleporting right on top of him when Leonard is sleeping, Etc. It took time for Leonard to get used to the sudden um presence