i tried what yezza said, and it kept reporting lag in my airport device? not sure...
anyway, i didn't figure out a way how to check why. i was playing around with an app, and it needed to be added to firewall, so i added it, and after playing around with it, i uninstalled it, and removed firewall settings. when i went to shut the system down, it closed in two seconds. now it seems to always shut down in 2 seconds, so i guess it might have something to do with the firwall.