Elon Musk (father of 11) supports their cause. Thousands follow their ideology. Malcolm and Simone Collins are on a mission to make it easier for everyone to have multiple children. But are they really model parents?
Arie Luyendyk Jr. Regrets Getting Vasectomy, Wants to Have More Kids aceshowbiz.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from aceshowbiz.com Daily Mail and Mail on Sunday newspapers.