There was for example, that time (https://theveryspecialblog.com/2017/05/19/the-golden-girls-the-monkey-show/) that she tried to set up Gloria with Stan even though she knew (or either didn’t give much thought) to how it would hurt Dorothy. She would also say directly mean things (https://www.cinemablend.com/television/great-insults-from-the-golden-girls) to Dorothy like (https://www.youtube.com/watch?v=u7Png9yxL4E) “Dorothy, jealous is a very ugly thing. And so are you in anything backless.”