What habits do happy couples have?

Read also:

• What are the differences between Republicans and Democrats in their views of the government's role in society? How do these differences impact policymaking?
• What do people usually do when they wake up at 5:00 am?
• Trump White House opens door to historic military deployment on U.S. soil - The Washington Post
• If you're quitting a job or anticipating layoffs, don't burn your bridges at work. Boomerang hires are increasing. - Business Insider
• Is anal sex allowed in Islam? It's not written anywhere in the Quran whether it's forbidden or not.
• Tender Moment Nurse Mare Adopts Orphaned Foal As Her Own Has Us in Tears - Yahoo
• Why is money considered to be the root of all evil?
• The Apartment Glut Is Ending and Demand Is Rising. Rents Are Headed Up, Too. - Barron's
• Why was the rock band Kiss so successful?
• Why doesn't Elon Musk know that going up against the European Union is a losing hand? Microsoft lost, Apple lost, Google lost, Facebook lost, and Amazon is losing when they tried to ignore the EU.
• ‘Amazing Worlds of Science Fiction and Science Fact’ Review: An Education in Exoplanets - WSJ