Sure, you can probably go though your whole life without a logical thought in your head.
Many people actually do.
As Aristotle understood several thousand years ago, logic is a tool that is useful in all fields of human endeavor. This little guide has been created for those who absolutely no background in Philosophy. My promise to you is that, if you take the time to go though the exercises that have been prepared for you, by the time you finish working your way though this site you will be able construct some sound arguments of your own and to spot the faulty arguments of those around you.