Susanna Reid, 49, opened up in her new Daily Mail column on how cycling while under the influence had left her with a lifelong reminder of her "stupidity".The usually composed Good Morning Britain star recalled how she had not cycled since a beach holiday that resulted in a disastrous fall.Susanna wrote: "The last time I tried was on a beach holiday when, after a few glasses of rosé, I decided I could cycle on sand and tried to reach my accommodation a few hundred metres away."Naturally, I fell off and I have a scar on one knee to remind me of my stupidity."The breakfast TV host recalled the accident as Boris Johnson announced a "golden age of cycling".Although the Prime Minister has encouraged the public to use bikes where possible on.