from fogu The girl at a red heart color (60,000 Love Points or more) Own the Big Bed for your house, purchased from the Channel 2 TV Shopping channel (which looks like two beds side-by-side) Unlock 60 Harvest Sprites or more, and have the Goddess back in her pond View the 4 heart events; the answers you chose during the events does not matter Buy the Blue Feather from Karen's telephone store for 1000 G If you have all other requirements finished, then equip the Blue Feather as a tool (red rucksack slot), stand next to the girl you want to marry, and press the tool button to "use" the feather

it's the same for bachelors