The following is the story in Samantha's own words about how your life can change drastically in the space of a week.

Day 1, Monday:

This isn't a confession as such and it's not a diary entry as I have never kept a diary in my life; it is just the sordid story of how my life changed in a week.

It started with me doing something that I hadn't done in a long time. Perhaps because it had been so long since the last time that I was out of practice. It was something that I avoided doing as much as possible. I didn't enjoy doing it because it...