If you truly love film, I think the healthiest thing to do is not read books on the subject. I prefer the glossy film magazines with their big colour photos and gossip columns, or the National Enquirer. Such vulgarity is healthy and safe.
At my utopian film academy I would have students do athletic things with real physical contact, like boxing, something that would teach them to be unafraid. I would have a loft with a lot of space where in one corner there would be a boxing ring. Students...
Everyone who makes films has to be an athlete to a certain degree because cinema does not come from abstract academic thinking; it comes from your knees and thighs.