try to swim and stay afloat

"'M tired," Stiles whines. "Derek if I just -"
"No," Derek says. And he says it so simply; it's not mean or meant to hurt Stiles, it's just his honest answer. Stiles chokes on a sob. He's so tired, and all he wants is just one. One shot. He knows he'll feel better, and he hates Derek for saying no.