Exercise is a great way to take some time to get out your aggression, have some time for yourself, and release endorphins, a chemical that can improve your mood.
Let those close to you know how great they are.
Don't underestimate a good smile.
Give yourself a pep talk.
Don't self-sabotage.
Don't be afraid to laugh it off.
People who had casual sex with a supportive partner were found to show an increase in confidence and self-image
Act like you are the most confident person in the room