Macworld In case you haven’t noticed, the Olympics are going on, and if you’ve been watching any of it, you can’t help but admire the intense focus of the athletes. Maybe you’re like me, after sitting on the couch for hours watching synchronized diving, equestrian cross country, women’s soccer, swimming, and gymnastics, you start thinking, if only I could be as focused as Leon Marchand. Imagine the records I could break! Well, you can, and all it takes is your iPhone. According to an interview with sport psychologist Ross Flowers by CNet, you don’t even need to download an app. CNet asked Flow…