Can convey emotions and feelings angry, sad, happy, not exaggerated, showing emotion as well as how to communicate so that interaction opponents understand our intentions. If annoyed, convey. You are disappointed, then admit, say, and continue life. Respect yourself by not wasting time with emotions, or even protracted in it.
Just imagine if you can not express emotions and feelings. It seems that people will be confused about your presence, and the meaning of yourself in their lives. Convey then continue your life.