One out of three conversations between non-married couples contains a lie, according to psychologist Bella DePaulo, and one out of every 10 conversations between married couples contains a lie.

How many do you tell in your relationship?

Lying is something everyone does, and it's not always wrong. Serious lies that betray someone's trust are not OK, and no one should tell those. But white lies are perfectly OK in a relationship and can even be good for it.{relatedarticles}

White lies help save your partner from hurt feelings, preserve the integrity of the relationship and keep you sane, so you don't have to deal with every little situation that could potentially end in an argument.

So which relationship lies are OK to tell?