elsif ($command =~ "keycard" or $command =~ "take keycard" ...
        ...
        elsif ($light == TRUE) {
            if ($Objects{keycard}{location} == HAVE) {
                print "You already have it.\n\n";
                sleep 2;
                return;   # from my first comment
            }
            else {
                print "You pick up the keycard.\n.....
                sleep 2;
                $Objects{keycard}{location} = HAVE;
                $Objects{keycard}{description} = 'Your access keycard.';