If you secretly wonder if your soulmate is out there — even though you’re in a great relationship — we have news: There’s nothing wrong with you. Author Susan Cain explains what this longing reveals about us and about being human.  

Anna Parini | TED

We’ve all felt lonely from time to time. But sometimes, things can get out of hand. Psychologist Guy Winch lays out some straightforward tips to deal with the pain of deep loneliness.