Jealousy is not a real emotion...
Did you know jealousy is NOT an emotion all its own? It's actually an umbrella title for the emotions it conjures; fear, abandonment, envy, possessiveness, insecurity, etc. No one can MAKE you jealous, it is only the actions of another person that sparks a trigger feeling in you! So ultimately it has nothing to do with the other person. The other person can help by being respectful of your feelings and help you work through them by altering behavior etc. But its really all in your hands... the more secure you are as a person on all fronts the less you affected by these emotions. But a little jealousy is good... it instill value in a relationship and reminds both parties just how important they are to each other.