A few weeks ago, my best friend Jen sent me a text. Nothing unusual about that - we're usually in contact at least four or five days a week. But when I opened it and read 'Can I call you later? I need to ask you something,' my heart stopped. What on earth could it be? In fact, for the hours before she called me back I was thinking all sorts, and I'd convinced myself it was going to be something awful. All I could think of was her wedding in six weeks time, and that she'd changed her mind about me being a bridesmaid. When she'd asked me to take on the role back in September, my eyes had filled with tears in the middle of Kings Cross station's branch of Pret. I'd been so excited at the prospect of playing a part in her big day, and after twenty-seven years of friendship I couldn't wait to stand by her side as she married her lovely Aussie fiancé Chris. Jen (L) and me (R) in either 1992 or 1993 I tried t...