Because the wounds you have aren't just physical.

[ She says that like a statement, not a question, then realizes she may have over-stepped and looks away quickly. ]

I'm sorry. I'm not trying to...I just meant being hurt isn't always something another person can see.

[ Brianna really has no experience with that, at all. All told, she's never been through a major trauma other than losing her father unexpectedly. The shock of Claire's lies wasn't something so life-altering that Bree would never know how to cope. What Theon's been through is soul changing which she knows but can't wrap her mind around. ]