Go to the beach on a rainy day to find the mariner. Talk to the mariner and purchase the mermaid's necklace. After you give it to Alex, he will accept it and agree to marriage. Marriage will occur three days later regardless of season. | Go to the beach on a rainy day to find the mariner. Talk to the mariner and purchase the mermaid's necklace. After you give it to Alex, he will accept it and agree to marriage. Marriage will occur three days later regardless of season. |