My husband and I spent our first seven years of marriage building our careers. When our second child was born, we realized how expensive day care would be. My husband decided to stay at home with the kids, and I grew my career — and our family thrives. Sixteen years ago, my husband and I decided to make a big shift for our family. Peter and I had spent the first seven years of our married life without kids, supporting each other in our separate career goals. When our son was born, we continued to balance it all, but when...