it was supposed to let you romance any npc in the game
i only got as far as implementing caroline, including disastrous consequences, because pierre and abigail are understandably devastated if she moves out and into your farmstead
i shook myself too hard with that one to keep going
because of how the game implemented proposing to npcs, i couldn't use the stock proposal item
i implemented a red version of the mermaid's pendant, which was used to propose to modded characters, and in hindsight this was appropriately nefarious
i don't think the mod works with the latest version of smapi anyway, but modding sdv was kind of fun, even if i disturbed myself a little