One thing that I've noticed while teaching in Germany is that the people here are very honest. This is an awesome trait to have, but there are times in business when you need to, oh, let's say, be gentle. You want to give corrective feedback in a way that it is corrective and not destructive. Yes, this is an art and it takes time to develop the skill. Here's a video that will help students along the way to learning this powerful skill.