The eldest Kardashian sister is a huge fan of breastfeeding, nursing both son Mason and daughter Penelope well past a year old — despite the protests of her famous family. She revealed to E! Online, "I mean, everyone would say, 'It's time, it's time, come on.' I started to stop a little bit, weaning and all that, and I'm like, 'Why am I doing this? If I'm happy and he's happy.'"