How do you get married with gray harvest moon back to nature?

Answer 1

you give him items until you get an orange heart when u get the orange heart you can then get the clue feather (buy it from supermarket) and when gray has a full red heart give him the feather and he will marry you same with everyone else

Answer 2

You can't marry Gray in Harvest Moon: Back to Nature. Unless you mean Harvest Moon: Back to Nature for Girls. You can marry Gray in that game. All you have to do is get him to s Red Heart and see all of his Heart Events.