I know it hurts. Sometimes what comes out of my mouth comes across very differently than what I meant to say. I think my mother-in-law is still mad at me. I was telling her that I told my new son-in-law that he should be happy they live a few hours away. Family is nice but having your mother-in-law (I was referring to myself) too close might be more than he wanted. She got really upset and asked if I really felt that way about mother-in-laws. (Well, yes, but I was trying to get him to understand that moving away from family can be a good thing. Of course, I don't want to live really close to my Mother either.)
I hope you get a resolution. Sometimes just giving yourself a little time to let it out, eat some great chocolate, and read a book will help a lot.