1.No, the fisherman felt ashamed by his wife's greed and wishes. He can force his wife to be a grateful woman.
2.maybe a wicked witches throw a spell to him and make the princess turned into a fish
3. maybe yes, maybe no. the writer didn't tell us
4.the last wished of fisherman wife was rejected and all of the accepted wishes before was canceled and disappeared.
5.because the fisherman wife was a greedy woman.
6.i felt nothing to her, trust me, i don't feel anything to her ;v , no i just kidding, the real answer is , yes i fell sorry to her, if she was no greedy at all, she still have a great empire and life peacefull life.
7.the ending is, well the fish still rejected the woman wished, PLUS make the woman know what's is the meaning of trying with a hard work and not by force the husband to asked a wished from a fish.
8.yes i can, but i can't wrote it here
9. Don't Become a greedy people, there is no way for a greed people to be satisfied , and the end of a greedy people, is always BAD!