More than 40,000 interviews have been conducted by StoryCorps in the last 10 years. Of those interviews, founder Dave Isay says love is one of the most common themes.

The paperback version of of Isay's book "All There Is: Love Stories from StoryCorps," was released this month, just in time for Valentine's Day.

StoryCorps' Roots

Isay says he got interested in storytelling one Thanksgiving when he was around 12 years old.