Sir I think I am suffering from emotional instability as I am doing good in my personal life and in professional life but I feel sudden changes in my mood you can call it as mood swings a single thought comes from a past or may be a anything or a m Person just pass a single joke I get irritated and it easily get converter into quarrel sudden changes in my feeling and emotions leads to bad moods And in the sleep almost daily a past thought play in my mind unconsciously may be off 7 8 years back and when I wake up I feel very irritated and I feel my head and body feels very heavy