Just be happy! You can if you want to – you just have to go for it, work at it and work on yourself and your attitude, many a life coach has often said. A multitude of self-help books and seminars purport to lay out a road map to what’s arguably the most desired destination of all: happiness. Were it only that simple! If your goal is to become happier, you automatically assess your progress, says psychologist Jens Asendorpf. “And you naturally recognize that you’re falling short, which is dissatisfying,” he points out. “The more attention you pay to it – and try to force it – the unhappier you…