And you should consider your fm characteristic as well, a sharp and vigorous guy wont easy to take scholastic trait, they will got tactician and strategist instead, while sharp and langurous guy will spent his life by just reading books, and his only physical activity is perhaps jerking under the table when he read some erotic poetry. Dull and vigorous will skip school and become uneducated, but practical brats, and dull langurous, if uncharismatic, will took many2 useless bad traits.