I (m21) told my best friends girlfriend(f22) thats shes disgusting for liking oatmeal raisin cookies we had a long debate about cookies and it got a little heated and i called her a old grandma which then lead to her calling me a bitch and ended with us arguing now my best friend is upset with me and flipped out saying im wrong for saying that and said im ruining our friendship over a fucking cookie aitah?