Fortysomethings keen to mark the end of a relationship are co-opting the rituals usually reserved for weddings, engagements and new-baby arrivals. Victoria Richards only wishes she’d thought to open a gift register to help mend her own broken heart… T wo years ago, when I broke up with a man who was living a secret double life, his “other girlfriend” and I became firm friends. To help us both get over him, we got into buying ourselves little treats . Forget repairing our self-esteem with