There are no characters named Nina and Galen in Harvest Moon: Boy & Girl. Nina and Galen appear in Harvest Moon: A Wonderful Life, Harvest Moon: Another Wonderful Life, Harvest Moon: A Wonderful Life Special Edition, Harvest Moon DS, and Harvest Moon DS Cute.
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When Nina dies, she has no grave. It's pretty sad.
Nina will die after you are married and you have a child.
Yes, the grave beside Galen's house. You cannot clean it or help Nina rest peacefully unlike in Harvest Moon Another wonderful life.
No. But his wife Nina will die if you have a child.
Yes. After your child is born
Nina is an elderly lady who is married to Galen. She is very sweet and if you befriend her you can get a stocking from her. Nina will die once you have a child.
You can find her walking around town. Or inside her house.
Nina is still at Galen's house when its her birthday. she will have twice the friendship points if you give her a gift that she likes
Nina loves Strawberries. She likes Flowers, Good Quality Eggs, and Berries.
He will never die. But his wife Nina will die if you have a child.