[Too much anger led to rash decisions, but that's hardly the point here. Honestly, there are just far better people to be angry with.]

Would it make you feel better if I was? Is that what you think you deserve?

[People had died at Winterfell because of Theon. He had caused a slew of trouble for everyone, but ultimately he hadn't made her list. If anyone is to decide his fate it will be Sansa or Jon, and for now they're tolerating him.]

Don't get me wrong. I'll kill you in an instant if I think you'll be a problem. But until then I'll save my anger for my actual enemies.

[Though even having said this, she'll never consider him a member of the family the way Jon might.]