My therapist has said several times that my "to go emotion" is anger.
I get angry quickly but it doesn't last. I'm surprised aat the number of people here who hold it in. I don't hold it in at all: I either blurt it out or write an email expressing my anger directly or I use passive agressive methods.
When I'm mad it's usually because I'm hurt so I want to punish my therapist and hurt her as well: passive agressive is usually the way to go even if she often remains unflappable.