Dr. John Gottman has researched marriage and relationships for 40 years – he's come up with "The Four Horsemen," four sure signs that a marriage is headed for divorce. Follow BI Video ...

Find out how to test the man you love using external signs that reveal the true depth of his feelings, based on John ...

There is no formula for a long lasting partnership, but couples who remained happy together for years did have a few things in common, the Gottmans found.

All of which sounds sensible enough, but as someone coming up on 15 years of marriage ... most respected couples therapists ...

John Gottman said at a TED Talk in April ... The other might want a dog because they see it as a test run for kids. Now, they both understand that the conversation is less about a pet and ...