In an isolated placelike a cave, remote oasis, or secluded mansionyou lived a life of solitude. Adventuring might represent your first foray out among other people in some time.
This might be a welcome reprieve from solitude or an unwanted change, but in either case, you're likely still rough around the edges.
Choose two ability boosts. One must be to Constitution or Intelligence , and one is a free ability boost.
Source: Pathfinder Core Rulebook (Second Edition)