How Could He Do It?

'In many ways we were an ordinary family: mum, dad, two kids, three dogs, one rabbit, two guinea pigs. I stayed at home, studying with the Open University, and dad worked, and the kids went to private schools. We lived in a rather nice semi in a rather nice area of Edinburgh, with a rather nice Volvo in the drive, and took rather nice holidays, wearing rather nice clothes. I loved Daniel deeply and I thought - no, I was sure - he loved me deeply, too. And we both loved our kids deeply (I thought