Jessa Seewald (née Duggar) is one of 19 children, but despite being surrounded by siblings of all ages growing up, she still didn’t know everything when it came to being a mom herself. The Counting On star, 27, and her husband, Ben Seewald, sat down exclusively with Moms Like Us hosts Christina Garibaldi and Stroller In the City’s Brianne Manz to share the one piece of advice they wish they had known before becoming parents.