Straight Edge Society
Straight Edge Saviour
that's possible, but I don't really see Tully putting others down to feel better about herself, she is just a "hey look at me, look what I am doing now" type person
Most of her passive aggressiveness and negative comments in the house came when things did not go her way. So I think you are right, she does not do it to make herself feel good, just out of a sense of anger and disappointment.