Call a friend or a family member to see how they are doing.
Smile at a stranger in the street.
Laugh at a joke if no one else is laughing, even if you did not find it funny.
If you see someone who is shy or who is alone, talk to them and invite them to hangout with you and your friends.
Do not spread gossip about people.
Volunteer for a mental health organization.
Donate money to a mental health charity.