Theirs was a mismatch from the beginning. She was a gorgeous TV star with a taste for finer things. He was a 22-year-old man-child who had been so poor that he had worn cardboard shoes to school, so violent that he had been arrested 38 times. If any kid was ever saved by boxing, it was Mike Tyson. But before long he wasn't boxing at all. He was in thrall to his bride, torn between her and others who claimed to have his best interests at heart. There were reports of violence and erratic behavior. Psychiatrists were called in, then ushered out. Michael was a manic-depressive. Or was he? Robin loved Michael. Or did she? They are separated now, and despite a well-publicized date or two, divorce is on the way. He says he may never fight again.