X went sailing on his sailboat and went missing without a trace. Y, the wife of X is certain that he is dead but cannot prove it as his body was never found. Several years after the incident, Y consults you as her attorney and states that X according to her is dead and she wants to move on with her life without X. Advise Y comprehensively on a possible solution for her problem, with reference to legal principles, the consequences thereof and what processes she will have to follow.