You are plagued by incredibly detailed dreams, so detailed that you actually glean the future from the visions, either by interaction or observation. You begin to suspect, however, that the dreams are REAL, and that his two worlds will one day collide.
Approaching adulthood you experience wanderlust and decide to travel, roll 1d6 to detirmine years spent travelling and think about where your character might have gone. (work with your DM to determine details)