Along with the 5.2 patch Square Enix released into Final Fantasy XIV, we now have a Valentine's Day event in the game which you can play right now. Players must be Level 15 and complete the quest "It's Probably Pirates" before they can participate in "Of Ardor And Argument". In this event, Lisette has returned to share the ardor and affection of House Valentione with lovelorn Eorzeans the realm over. You will help determine the potential Emissaries of Love from one of three candidates. Here's a little more info on the Final Fantasy XIV event.
In the Valentione's Day event, players can cast a vote for one of Lisette's three protégés, who are competing to earn the role of emissary of love for this year's festival. Voting ends on February 9 and the results will go live from February 9, 2020 at 7:00am to February 17, 2020 at 6:59am PST. Players will earn festive garbs based on the emissary they vote for. Players can begin the seasonal event quest "Of Ardor and Argument" by talking to Lisette de Valentione in Old Gridania. In order to participate, players must be at least level 15 or above and have completed the quest "It's Probably Pirates."