This is how I sub minor nations that have staled 4 turns in a row against one the leader nations.
/good natured bragging
If that is the best Man can do I will seriously roll over him during my subbing time, makes me wonder if I should have attacked Man instead of Midgård when I was in game myself.
To other nations: Looking for room to expand into? Now would be the time to eye those fertile lands, except the capitol which will C'tis'reward, under Man control because the Witchking will have his hands full with tomb kings. I hear mammoths and skinshifters are especially good this time of year.