5. They engage in a little PDA.

It’s sappy and it grosses out the kids, but it works. The happiest couples aren’t afraid to show affection to each other – even in public. So, go ahead and hold your spouse’s hand when you’re shopping in the mall or snuggle up to them when you’re at the movies with your friends. A little PDA can go a long way.

Source: HuffPost US, 2016.