Mmm. I play as a girl in the game (Because I am one of coarse... ._.) but I have the official game guide, so I have a bit of info that could help...
Birthday: (If you don't already know) Summer 8th
Favorites: Cabbage/Carrots (Top Quality Soil only) Special Cheese, and Blueberry or Very Berry Jam.
Likes: Milk, Egg, Cheese, Mayonnaise, Sashimi, Blueberry, Very Berry, Flowers
Dislikes: Toadstools, Mushrooms, Junk Ore... The usual.
Well, hope I helped.. I know for a fact that one of her favorites is blueberry jam though.