But I find it difficult imagining someone else being a mother to Caitlin. We were so sure of each other that he proposed two days after our first kiss, and we were married three months later. I said to him that it was too perfect, and that something would ruin it, as in the film Love Story.I feel it’s harder for him than for me because he’s going to have to pick up the pieces. We talk about everything, but I do shield him from some things.

Knowing that nothing can be done at least saves me from the painful cycle of hope and despair.I do, in a way, feel apologetic to Tim, for him having fallen in love with someone who is going to cause him pain I love him more than my own life. I discovered photography, and was really grateful for my brush with death for having shown me how precious life was.But in December I lost all feeling in half of my face I had another scan and was given the new prognosis. A biopsy revealed that it was an adeno-cystic carcinoma – in plain English, a big tumour in the middle of my head.
The surgeon said he couldn’t operate because it was “in tiger country” I was in complete shock for two days. I later had an operation to “de- bulk” the tumour, followed by an intensive course of radiotherapy and chemotherapy.For two years I had no symptoms and we hoped it had gone away I had a fantastic time. “I did once have a donkey jacket, but that was 30 years ago.”To order a copy of the video, call 01892 833368.

LOUISE:

From the age of 18, I suffered from pretty appalling headaches and turned to alternative medicine, having had little help from my GP. Four years ago, during pregnancy, I developed Horner’s syndrome (a drooping eyelid), so when Caitlin was six weeks old I had a brain scan It showed a very large shadow in the centre of my head. “There’s a section when we passed a double yellow signal – an advanced warning,” he says, pausing for dramatic effect.”The driver has to reduce speed, because the next signal could be showing a single yellow light. He then has to slow down even more because the next signal could be showing a red light… and then he would have to stop!”Roberts is already planning their next film, covering such topical issues as leaves on the lines and the wrong kind of snow.I had just one final question Film producer or anorak?He bristles. “I don’t know of anyone who would want to watch a video of a railway,” she says.I ask Roberts to describe the most exciting bits of the video.

He doesn’t want to be reminded of his persistently delayed journeys. Last November, he was one and a half hours late arriving at work on three consecutive days, as a result of delays and cancellations on the line. Needless to say, he won’t be buying the video.Neither will 17-year-old student Naomi Difabio. “It will give commuters a better understanding of why they may be delayed,” he explains.The 106-minute video of the journey from Kent to London is priced at pounds 15.95 – so, will the commuters who use the line every day be buying it?”It really wouldn’t interest me at all,” says business manager Shaun Mattingley, 34, from Tunbridge Wells, Kent “I don’t want to see the signals. “Communication can break down on occasions, but most of the time, everybody puts in a lot of effort.” Signalling quirks are explained in detail on the video. I just want to get to wherever I’m going – and fast.”James Jesty, a 28-year-old from Knutfield, works for a car rental firm. Nigel McBay of Blandford, Dorset, has a number of them, and says that they save him from travelling with his head stuck out the window.”Watching it from a seat on the train doesn’t give you the same flavour of the action as you get from the driver’s cab,” says the 45-year-old haulage company manager.