Here are some idioms you can use to talk about your emotions.

Idioms to talk about emotions

to be easily/not easily upset by criticism

to stop yourself from saying something that you would really like to say

to do or say something that helps you to get rid of strong feelings or energy

to angrily criticize someone or something

When a person bottles things up, they refuse to talk about things that make them angry or worried

to compare something to other things so that it can be accurately and fairly judged