He had every right to be sad, angry, pissed off, frustrated, or just instantly “over it”.
Try saying something like, "You may not have meant to do this, but you took credit for my idea." If she owns up to her mistake, that's great.
If not, end the conversation with saying something like, "I guess we disagree on this." The most important thing is to let her know you're onto her.
Odds are, she'll apologize..stop doing it in the future.
Take a few moments to chill out before you approach her in private.
Aside from the occasional comment on the freeway my dad never said anything about race. He responded saying and there was no point in trying to correspond with him. There was a pause, followed by “I wish you wouldn’t have told me that so I would still think the world is a cool place”.
More awkward silence, lack of eye contact, blank face.
I grew up in a wonderful and loving home in Southern California.
I had an older brother and sister 12 and 15 years my senior respectively, parents who were happy together, and my aunt and cousins lived one street over.
Don't try to explain why you look the way you do (because, bitch please).
The best way to deal with this is to just tune her out.
Realize that you're dealing with someone who thinks their feedback is helping you.