>>936998065 (OP)Retreat into the woods for 12 years and become a lumberjack.
Eat nothing but the flesh of animals you kill with your bear hands, no that was not a typo, you should actually cut the hands off a bear and use them as weaponized gloves.
Train your jaw with the strongest wood bark you can find.
Build your own wood cabin with a hammer and nails made from the bones of your kills too small to be worthy dinners.