Though handling the creature might be a large part of the game, next to managing a village, getting a creature trained is a piece of cake. If you want to play really good aligned, satisfying all the needs of the villagers will become so time consuming that you might suddenly find that it is all you do.
Humans are the most annoying thing in the game.
They are never satisfied, always want more, devour natural resources in seconds, breed like rabbits and spread like locusts. I will complain a lot about expanding and breeding desires below, and since it is vital to expand in order to gain more influence and power, you might be puzzled as to why it is so bad. And forests are life. Without them, you will die. Also understand that villagers have their own unique personalities and attributes.