After all you did in the Companions, Farkas was taken aback the moment you proposed. Now, he's as loyal as a dog for you, always waiting by the door of the home for you. Farkas is heavily aware you're the Dragonborn, but he has a nagging feeling that you hide a lot of things from him.

Farkas glances to you as you sleep. It's such a rare occurrence, it's sad.

"..."