Last summer, a glum shot of Keanu Reeves sparked a global campaign to put a smile on his face. Did it inspire Ode to Happiness, his first book? When it comes to concern for the wellbeing of the well-known, Keanu Reeves is in a class of his own. Last year, all it took was a picture of the 46-year-old sitting alone on a bench, morosely contemplating a sandwich, to go viral – and suddenly a global Cheer Up Keanu Day had been mobilised (15 June, in case you missed it). Nobody knows quite how this happened, but somehow it could only happen to Reeves. Maybe it’s his serene-to-the-point-of-stoned screen persona; but it’s