Unexplained physical symptoms, such as headaches, fatigue, muscle tension, teeth grinding, upset stomach, and change in sex drive.

Anger, depression, irritability, or nervousness that's more than circumstances warrant.

Increased smoking.

More arguments with friends and family.

Problems at work.

Lying awake at night worrying.

Eating more, especially of unhealthy foods, or skipping meals.

Increased drinking.