Perhaps it's mostly chromosomes. Paired with continental exposure, translated convictions and assumptions that transcend generations.
In any case.
Sometimes brilliant moments arrive, that illuminate that which might seem odd or crazy or out-of-the-blue. And while many may opt to question your actions, the very core of your innermost being senses that you've been poised for this since the notions of a beginning.
Take Jacquelyn Sherman, for example.
Displaced by Katrina, she scrounged up all the spare change she could find and played the lottery. One point six million buckaroos later, she's happy as a clam. Think she's relocating to hurricane-free lands? Putting a massive downpayment on a mansion on the opposite end of the country?
Nope. She's going back to New Orleans. Because that's what's in her soul.