What's love got to do with it?

Steve  and Michelle were HS sweethearts. Steve was the cool guy who played guita and Michelle was sweet cheerleader whose Mom a school secretary who quietly ran the place.

After HS they stuck together and eventually married. Everyone was happy for them.

At our fifth year class reunion Michelle and Steve seemed happy. As the party was winding down, we were all exchanging hugs. Liquid courage led Michelle to express a side of herself that she had been keeping back.

"Woah," Christine exclaimed, "I was not expecting so much tongue." 

Michelle had decided she preferred women over men. Within a year she divorced Steve and dropped contact with most from our HS.

I was happy to get her friend request on FB. It was good to reconnect. The surprise? She was married and had 2 sons.  Huh?

Happy for her and her family but I'm confused. 

*****

Dave has been married for many years. He gets along well with his in-laws and loves doing romantic things for his wife. 

The problem?

They haven't had sex in more than 4 years. Although I've never met her I did suspect she might be playing for the other team. When he finally confronted her she confessed she is probably bi or maybe a lesbian. 

I hope the best for the couple. 

It reminds me of this great scene from Sex and the City:

https://www.youtube.com/watch?v=bHBjjIC9Eq0

********

Which leads me to the question: Can a couple remain a couple if there is no sex?