Fear is just a source of information. The emotions we have we have because they provide information in one way or another. Much like the senses. One cannot let

Fear is just a source of information. The emotions we have we have because they provide information in one way or another. Much like the senses. One cannot let oneself be paralyzed by it, though. If one doesn't dare to refactor anything because of fear, something needs to happen. E.g., one needs to be able to test more effectively or something like that.