Vili Fualaau has filed for legal separation from Mary Kay Letourneau, 20 years after he first fell in love with his then-grade school teacher. Fualaau submitted paperwork on May 9 in Issaquah, Washington seeking to end to his 12-year marriage to Letourneau, who is the mother of his two children.See family photo: According to report, the documents state that the two own no property and have no debts, with neither party asking for spousal support. Fualaau, now 33, was just a sixth-grade student when he began having an affair with Letourneau back in 1996, despite the fact that the 34-year-old was married and had four young children. The couple first met when Fualaau was in Letourneau’s second grade class in Seattle, but did not begin to have a sexual relationship until four years later, when he was 12. Letourneau, now 55, ultimately got a divorce from her first husband and served seven years in prison to be with Fualaau, who she married shortly after her release. She gave bi...