<p>What would you do if you were invisible to your husband and your teenage son? How would you feel if they no longer spoke to you; if you knew your husband had had an affair? And what if your mother, a life-long alcoholic, had just suffered a stroke and become completely dependent on you? Above all, what if you were nurturing a secret grief so bitter and painful that it was consuming you from within?<br><br>Now imagine that one day you won £30,0...