Indeed you can, but it is extremely expensive as it costs a whopping 50,000g. In order to divorce your husband or wife, you should visit Mayor Lewis's house and visit a book displayed at the entrance. It will then present you with an option to file for divorce; if you wish to proceed, you should confirm ''Yes''. It is worth considering that you have until 10 pm that same day (when the Mayor closes the doors to his home) to return and change your mind.