Friendships are always about common passions. Whatever you’re into, someone else is too. Let your passion guide you toward people. Volunteer, for example, take a new course or join a committee at your local religious center. If you like yoga, start going to classes regularly.

Once you meet a potential future friend, invite them to do something. You have to put yourself out there.

Friendship helps protect the brain and body from stress, anxiety and depression. Being around trusted others, in essence, signals safety and security,

Research suggests that you only need between four and five close pals. Close friends should be someone you can talk to, someone you can d...