i'm think that she is less into yuri and more like what
@Hollow7F say about 'foolysesual.' However, I think it more of the character/trope that fooly is that she like and the less about fooly himself, though it does help. Fooly, in general, is a weak(cute?) man that both very determine and very in love with her, and occasion, show power exceed the norm,
nonether this is trigger by her, aka, fooly need her. When fooly genderbend, he is both ignorace of his body and to how other view his new body. So new fooly is just the same strenght as old fooly, but he is now even more cute/dainty and is also target by guys. She want to protect this fooly more then old fooly. Oh, and few people like old fooly, vs everyone like new fooly (she became possesive)