If only I'd knocked. If only she had closed her door. If only I had turned and left quietly when I had the chance.

These are my thoughts when I think back to how it happened. But...... If those things had occurred then I wouldn't be able to look back now to those events.

It all began when my sister came to visit me. I was at my second year at university, living in a two bedroom flat with James, who I had befriended last year. Mum thought it would be nice if Laura came to spend her October half term with me, rather than just kicking about the house....