It seems that Fixxer is speaking in "I-statements" and as he admits himself, his perspective is also colored by his fear. That's fair enough. And while it might be scary the truth is that no matter how hygienic you are there is still always a chance you can catch something. That's why it's not a good idea to spend your whole life energy trying to avoid vomiting. While you may succeed, because there's always a chance you won't, you'll still have a phobia.