If you stay logged in you get many benefits. The biggest benefit is the site will notify you in the top right corner of any alerts that you have. It will tell you when someone replies to one of your posts or likes any of your comments. It will bring you right to where the new posts start in any thread that you've been watching. You can "follow" a member here and that will allow you to see what they post. You can "watch" a thread and get alerts about that as well. You can also see hidden forums.
It makes it easier to not waste time looking through old posts and brings you up to speed quickly! Log In Now And See!!!