I admit it. I’m hopelessly in love. The first time I laid eyes on her in a pet shop in Chile, Elizabeth, my bulldog puppy, stole my heart. She looked forlorn and desperately bored; the poor thing had been caged up in the store for four months; no-one would buy her because she was so small for her age. I was shocked to hear she had been living like that for so long, and although I was not…