Two decades after meeting and falling in love with his wife Amber Mariano on 'Survivor', "Boston" Rob Mariano opens up to PEOPLE about the secret to their marriage and how their four daughters — Lucia, 14, Karina, 13. Isa, 12 and Adelina, 9 — are at the center of 'everything' they do.

Full biography and photos of Survivor Micronesia Fans vs Favorites contestant Ozzy Lusth.