«Bodies — those are something you understand, mostly; you know immediately exactly how much smaller he is than the last time you saw him. Too skinny, too pale; his cheeks cave in a little too much, from his face. He’s a shadow of something: he looks like the dead walking. His hands are stuffed down in the pockets of his hoodie and he looks tentative but not afraid.»
Derek Hale used to have a family. Now, he's got a teenage human more trouble than he's worth. Post-S2.