A good litmus test is that you should be comfortable with your significant other being present when you hang out with your friend.

Look your significant other in the eyes, make that connection.

If you make your best friend and your significant other the same person, you don't have to disconnect to go tell your girlfriend everything.

Romance is thinking about your significant other, when you are supposed to be thinking about something else.

Learn to cook. The way to someone's heart is through their stomach, whether for a friend or a significant other.

It’s good to share a life—and it’s good to share minutes and hours, too, Danny thinks. With a wife. With a husband. With a boyfriend, girlfriend, best friend. With a fling. With a brother.