It requires believing, even if your fear is telling you otherwise, that your partner is with you because your partner wants to be with you. If you start with the assumption that your partner wants to be with you, then anything becomes possible—including defeating your jealousy without passing rules.
But you have to start there. You got to take it on faith, even when your fear is telling you otherwise—and believe me, it will.
Things aren’t as clear-cut when you’re dealing with emotional risk, however, Fears and insecurities are very, very clever at protecting and justifying themselves, and separating something that is actually harmful from something that’s merely uncomfortable isn’t always easy. It requires work. It requires examining, with an unflinching eye, what it is you’re afraid of and what it is you think will happen if your partner continues doing the thing that makes you jealous. And above all, it requires that you ask yourself, on a regular basis, What is the point of all this?