Envy may negatively affect the closeness and satisfaction of interpersonal and family relationships.
Those unpleasant feelings can be either motivators or give someone malicious intent or resentment.
Envy or jealously has origins in low self esteem.  There is typically a strong dislike or hatred. It could result in bullying, cyber-bulling and other negative behaviors.
It can be a very unhealthy feeling...also affecting one's physical, spiritual and emotional well-being. 
This podcast helps us to recognize and address feelings of envy and how to overcome them.