You were raised, either wholly or in part, by a martial artist who constantly tried to train you in the basics. This constant exposure to martial arts has made it easier for you to understand, even when you turn your mind to other devotions and tasks.
Benefit: Pick a martial arts class when you gain this trait—your initiator level in that class gains a +1 trait bonus as long as this bonus does not raise your initiator level above your current Hit Dice.