The character's favorability can be up to five hearts, and it will not decrease if you don't give gifts after reaching it; most NPCs like flowers other than violets, and some NPCs with high favorability will have special conversations, give gifts, and share recipes; after the farm animal's favorability is full, It will not decline even if it is not touched or fed, and it will still produce milk and eggs.
A character's favorability can only reach a maximum of five hearts. After reaching five hearts, the favorability will not decrease if you do not send gifts for a long time.
Most NPCs like flowers other than violets. Some NPCs will have special dialogues after their favorability reaches a certain level.
Sometimes they will give you gifts, and some NPCs will share recipes with you. Once the farm animal's favorability is full, it will not decrease if you don't touch it every day.
It will not die if it is not fed or released for a long time, and it will still produce milk and eggs. Currently only dairy cows and chickens are raised.