sub handle_request {
        my( $req ) = @_;
        our $Gov ||= Proc::Governor->new();
        my $res = $Gov->work( sub {
            forward_request( $req );
        }, 0 );                 # Don't pause here.
        give_response( $res );
        $Gov->breathe( 0 );     # Pause here; still idle.
    }