"I first heard the phrase ‘hot-girl summer’ when one of my daughters caught me twirling in front of the mirror in a little sundress, blasting tinny music out of my mobile phone. I didn’t know what it meant, but it sounded like something to aspire to; something fun and removed from the challenges of domestic life. When my daughter suggested I could have a hot-girl summer, my heart skipped a bit, because it had been so long since I had been a