Jealousy, and its companion, possessiveness, are states that almost everyone has experienced. Jealousy is wanting what someone else has, or fearing that someone else will take what you have because they are better than you. Possessiveness is the need to claim sole ownership of what you have. I’m differentiating between the two, but one state usually blends into the other. Unless you’re completely detached, part of wanting someone includes a smidgen of these emotions. In small doses, they can add spice to a relationship by ensuring that you don’t take your partner for granted. But in larger doses, they can completely sabotage a union. If chronic jealousy and possessiveness control your love life, you may find the following article helpful, as it explores the astrological causes.