This article Mark Zuckerberg's Wife Reportedly Had Him Agree To Relationship 'Rules' — Including 100 Minutes of Alone Time Each Week And No Facebook Allowed originally appeared on Benzinga.com.

Chan became a pediatrician and philanthropist, using her and Mark Zuckerberg's shared fortune to advance her vision. But her association with the Facebook founder hasn't just brought joy and success.

Mark Zuckerberg made his family's pregnancy announcement while, at the same time, starting a new dialog about the trials and tribulations of having a baby.