Mom-of-one Pippa Middleton is finally opening up about her life at home! After welcoming her son, Arthur Matthews, six months ago, with her husband, James Matthews, Pippa says her baby is already learning how to swim and is becoming a natural in the water.

“Starting my son Arthur swimming at four months old has given him confidence and enjoyment in the water,” Kate Middleton‘s little sister recently wrote in Waitrose Kitchen magazine, according to an Instagram fan page MiddletonMaven. “He’s now six months old, and swimming is one of our favorite activities. The exercise helps guarantee sound daytime sleeps, and the movement has improved his digestion.”

James Matthews Pippa Middleton