Sometimes you need to skip execution of part of a method under certain non-critical error conditions. You can use exceptions for that, but exceptions generally are not
A meta comment: When you're coding, your goal should be clear, maintainable code first. You should not give up legibility on the altar of efficiency unless you profile and prove that it is necessary and that it actually improves things. Jedi mind tricks should be avoided. Always think that the next guy to maintain your code is a big mean psychopath with your home address. Me, for instance.