Irritation is, many-a-times, excessive failure to express.
Jealousy is, many-a-times, only excessive admiration.
Hate for something is, many-a-times, excessive love for something else.
Evil is, many-a-times, born out of excessive pain and suffering.
Grief is, more often than not, born out of excessive love or attachment.
Greed is, always, born out of insecurity and fear.
To recover and move on, it is enough to treat the illness.
To heal it forever, one must trace the cause, and treat it.