Description:Lisa Ling wants to know: how many is too many? There are half a million Americans practicing polyamory or committed non-monogamy. Lisa Ling meets three families who believe it is possible to love more than one person at a time. Tune in for this all-new episode of Our America with "I Love You & You...&You" on Tuesday, March 5th at 10/9c, only on OWN.(0:30)