After 20 years of marriage, Margaret Overton decided to leave her husband. She was 44, had never lived alone and didn't know how to meet other men, so she turned to the internet – with dire consequencesIn 2002, I decided to leave my husband. There was only one argument, really, that I remember. In mid-November, on a Sunday morning, Stig called to ask what I was doing that day. He'd been up early, making rounds at the hospital. "Thanksgiving is Thursday," I said. "I've got to bring the decorations and the turkey dishes up from the storage locker, and I was going to take the boxes that are piled up in the dining room downstairs, get them out of the way."Stig ...