• We can in part catch others emotions physiologically. If we see someone else in pain, we often express that on our faces.
• People living together tend to influence one another’s feelings. A study found that a non-depressed roommate will show signs of depression after living with a depressed roommate. Even in the workplace, toxic negativity can derail the whole culture and lead to high turnover.

Working in a negative environment can make you feel more miserable, and sharing a roof with a negative person can make you feel depressed.

We can try to withdraw from unhappy people, but when we really love others who are suffering, we want to help, not av...