People would speak of endorphins or, even less interestingly, general health and I would zone out entirely. What could possibly prompt more joy in my life than watching The Real Housewives and getting a takeaway, I would wonder? I was going to cycle classes and running every day, not seeing any significant results but always feeling exhausted. Weightlifting is such a gentle practice: you’re not getting really sweaty; you’re not leaving feeling like you’re going to die. “Get the weightlifting gloves,” recommended Julia Sarr-Jamois, British Vogue’s contributing fashion director, who has been lifting since her early 30s.