In the space between strangers and friends, there are acquaintances. They represent the gray zone of relationships: Does she want to get to know me better? Would I even enjoy spending more time with ...

Over a decade ago, Sheila Brownell was going through a challenging time and lost touch with a close friend. She saw her a few times in the succeeding years but the interactions were brief. Brownell ...

Sometimes silence speaks louder than a thousand words. A woman who doesn't chase, doesn't beg, and doesn't send late-night texts can stir up a storm of thoughts in a man's mind. Did she forget about ...

Sign up for CNN’s Stress, But Less newsletter. Our six-part mindfulness guide will inform and inspire you to reduce stress while learning how to harness it ...

In 1999, I published a study regarding older and younger adults’ reactions to holiday cards. In the olden days, at the end of the 20th century, people used to send one another greetings in December, ...