Your Week Ahead: Have you ever been on one of those simulated rides where you enter an enclosed space and watch a film, while the box you're in is shaken around? It can make you feel as if you're in a spaceship, careering through the galaxy, narrowly avoiding meteorites and other space vehicles. Nerve-janglingly effective though it is, it is of course, an illusion; you're not really moving anywhere. As Mercury transits the Sun this week, it enables you to interpret confusing signals. Nothing is as dramatic as it seems.