Popsugar Love Relationships Important Relationship Rules 11 Unbreakable Rules EVERYONE Should Follow in a Relationship June 24, 2018 by Nicole Yi View On One Page Photo 1 of 11 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Be faithful. If one partner is having trouble with fidelity, then maybe he or she isn't ready to commit. Cheating is unacceptable under any circumstance. Previous Next Start Slideshow RelationshipsMarriageDatingAdvice