Mild depression. If it gets worse see someone. Until then, are you eating right? You may have a deficiency. Vitamin D and B vitamins are a must for you. Take walks. Exercise is the #1 symptom reducer for depression.
Maybe you have a bad attitude and a chip on your shoulder? Serviing others and volunteering with get you outside yourself. Think about this. You only have ONE life to live. You are depriving yourself and others of your company! You have much to give, learn, share, experience!