You need to find 60 harvest sprites, then you rescue the harvest goddess and then she can let you get married :)
To marry muffy, you must have her at red heart, brought back at least 60 harvest sprites, seen all her heart events and have the big bed
a blue feather
DO NOT even marry her, she will ask you to litter every day
You need at least 60,000 LP to marry Muffy, or any girl.
you must have a blue feather and at least 10 hearts
Muffy marries Griffin, the owner of the Blue Bar, if you don't marry him yourself.
Well, Marry Muffy is not a very easy task! You have to get 60 Harvest Sprites wich will then bring the Harvest goddess back, then you have to have tjeir heart up to red and you would have had to seen all their heart events! When her heart is close to marriage a blue feather will beceom available in the shop but don't drop it because you can't get another one!
Muffy is not a character in Harvest Moon: Friends of Mineral Town.
marry someone and wait a couple months
If Muffy won't marry you there must be a requirement you haven't completed. Here are the all requirements needed to get married: Have a Red Heart with the girl See all four of her Heart Events Upgrade your house twice Buy the Big Bed Find at least 60 Harvest Sprites Buy the Blue Feather Make sure you complete all of those before you propose again.
Celia, Nami, and Muffy.
Yes, you can marry Muffy on harvest moon ds, but it takes a while, i would suggest looking for websites like Fogu.com that tell you all aout harvest moon.