Studies show that when people marry it's because they've found someone who meets 80% of their needs. Unfortunately, when the remaining 20% is not met it can lead to infidelity. People tend to cheat to get a void fufilled whether that is by means of listening to them, making them feel sexy, allowing them to make decisions, etc. It's the idea of finding something in someone else that you can't find in your spouse.
What are your thoughts on the 80:20 rule and how it relates to marriage?