(( mouse ))

I think maybe her statement reminded you that you and she are separate. That can hurt, expecially when it happens suddenly and when you were hoping to relate to her on the issue of strangers in her house. She works at home and must enjoy that; I think liking having 'strangers', patients she doesn't know yet, in her house is something she's come to love and that you are included in that.

I'm sorry you're feeling angry and hurt. Talk to her about it anyway?