ENVY?

Envy is an emotion that "occurs when a person lacks another's superior quality, achievement, or possession and either desires it or wishes that the other lacked it."[1]. It is a sense of low self-esteem that results from an upward social comparison threatening a person's self image: another person has something that the envier considers to be important to have. If the other person is perceived to be similar to the envier, the aroused envy will be particularly intense, because it signals to the envier that it just as well could have been him or her who had the desired object...