Dr. M wasn’t my doctor; he was my student. Normally at 10 a.m. on a Monday morning, we were in his office having English class. But today, I was lying on the big black chair in his clinic, trying to keep calm as he prepped a needle. Dr. M was Turkey’s most prolific Botox practitioner. He had a certificate above his desk from the Botox suppliers recognizing the record number of vials he’d administered, mostly to Turkish TV stars and society women. He appeared regularly on the Turkish equivalent of Oprah, the host of which he had filled with youth-enhancing chemicals. As an English teacher, I taught a lot of rich Turkish people and their children, but Dr. M was my first near-celebrity. Located in the fanciest part of Istanbul, Nişantaşı (the Turkish Beverly Hills), the Director (who I also taught) would sometimes introduce me to perfectly made-up, glossy-looking actresses or TV personalities. I never had any idea who they were because I’m British, but I still felt underdressed and out-of-place in their world in …