That's mostly what I was saying, Scar. We don't know what happened, we don't know what befell to cause this reaction.

I just...have the feeling that it's a a minefield full of unpredictable reactions and consequences, should someone try and intervene without invitation.

[She wishes she could just explain why she feels Scar should keep to himself beyond perhaps offering an ear to Alphonse, but even she isn't supposed to know all that she does.]