Have you found yourself having to deal with your partner’s possessiveness? According to Dr. Kristine Randle of PsychCentral.com, jealousy could be a sign of deep-rooted insecurity and a lack of self-esteem. While a little may be normal, even flattering, too much can cripple a relationship and cause other problems to crop up. Jealousy reveals a lack of trust, one of the basic traits that make for a healthy relationship. Find out how you can deal with your partner’s jealous streak in various situations with these tips.

(Originally published as Liezl Sicangco warns Mariel Rodriguez: "Don't look at other men" + Tips on Dealing with a Jealous Boyfriend on Female Network; screencaps from the movie Match Point courtesy of BBC Films)