I have a family member who hates to watch people eat. It's not the social aspect of eating together that she dislikes, it's the actual act of eating that she d

I have a family member who hates to watch people eat. It's not the social aspect of eating together that she dislikes, it's the actual act of eating that she doesn't like to observe. Therefore, if someone can dislike this act, why can't the opposite be true and there exist people that like to watch people eat?