Being a manager is all about knowing people, and believe it or not, in order to be a good manager you also have to care about people. Of course, you have to protect the business interests too (if you want to keep your job) but there's a balance to be struck here—and the best managers strike it true. See, the thing is, having a motivated and cohesive team is actually the best asset a company can have—heck, even if your morals are based on a balanced checkbook, it stands to reason that the best i…