Protip: fireball is stronger if you do it before the opposing province trains up enough to double-tap your biggest provinces. But I'm glad you finally got my hints about using all your mana on our cow!

Also, yes we've obviously had problems as well. 40M robbed by 3 kingdoms after you publicly announced you were about to wave us was the first problem. 1.5 tpa on rogues going into war was the second.