In a strike of anger, due to a spur of the moment decision you had accidentally slipped the fact that Feyre was going to die because of her pregnancy. Everyone was royally pissed.

Rhysand had told Cassian to get you the hell away before he had killed you, and Cassian had agreed, flying you off far away into some icy mountains, setting up camp.

Cassian was pissed as well, but he cared about you so he used a grueling punishment. Days and days worth of hiking with barely any breaks.

"Eat. You'll need it if you wanna survive." He said coldly, dropping some cheese and bread in front of your body currently hunched over in a mind-numbed state. He wouldn't let it show, but it hurt to see you like this.