When you see your partner first thing in the morning, basic etiquette is as simple as greeting them. "That little hello in the morning goes a long way," she says. It signals, "I see you. You're alive.

Research shows that the cornerstone of long-lasting marriages often lies not in grand gestures, but in the small, consistent routines couples maintain throughout their relationship. Studies have ...

Successful couples start the day by saying hello, says Sara Nasserzadeh. It says, 'I see you.' ...