As a mom of three teens facing a divorce, I thought I couldn’t keep up with my daughter’s demanding tennis schedule. But she rose to the occasion and took control. When my kids were young, I signed myself up for a tennis clinic as a way to force myself to spend some time with adults (and take the pacifiers out of my bra) for just one hour a week. When my childcare got messed up on the first day, my then 6-year-old daughter came with me. She wasn’t allowed to watch me unsupervised, so I swiftly put her in the tot-tennis class—the hell if I was going to miss my clinic! With a borrowed racket, my daughter waltzed onto the court in her (filthy) mermaid skirt. Later, at dinner, she announced she wanted to learn how to play tennis…and win. Frankly, I thought she meant it the way I wanted to…