Emotions in dreams represent our state of mind in the waking lives. The different emotions have different meanings depending on the situation in your life. If you feel angry, then such dream could symbolize the hidden frustration and aggression you are keeping inside you. If you felt happy emotions, then it could indicate the peace, tranquility and happiness in your waking life. The emotions could also show your desires and wishes how you wish to live the other part of your life.
Read more about dreaming of Emotions in other dream meanings interpretations.