" How does envy destroy our safety? By spoiling any chance to be loved. When we envy, we resent those who have something to offer us. And, if they do give us something we need, envy makes us (1) devalue what we just got, because our need is insatiable, and (2) resent the giver, because he or she could have always given more. "

― Henry Cloud , Safe People: How to Find Relationships That Are Good for You and Avoid Those That Aren't