I gave my marriage a 2-day mental health break and explored a nearby city solo. It was just what I needed.

tk Courtesy of Louisa Rogers. I love traveling with my husband, but a recent trip made me realize that being alone is fun, too. During my 2-day trip to Querétaro, I took the time to linger, read many menus, and paint. I learned that solo travel can be restorative, and I plan to take a similar trip next year. Don't get me wrong — I love my husband, and we're great companions — at home and on the road. But I was thrilled when he decided not to join me on a trip to Querétaro, a city two hou...