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.

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.