Idioms for expressing and controlling emotions

• If a waiter brought me the wrong order


  I wouldn't say anything because I wouldn't want to make a scene
• Thick skin


  Don't take offence easily
• If something bothers me


  I like to get it off my chest rather than bottle it up
• Even if I'm disappointed


  I usually put a brave face on it
• I'm more likely to bite my tongue online


  Than in an offline conversation
• Something that really gets under my skin and drives me up the wall is ...
• The best way to let off steam is to ...
• If I noticed someone lash out at my friends online

  I'd ...
• Something that helps me to take a step back and put things into perspective is ...