It's wrong to be intimate with family.
Max has a birthday today and his sister just gave him a gift that Max loves.
Max wants to hug his sister for the present.
Max hugs his sister lightly and for not too long after receiving his gift.
Max hugs his sister very tightly and intimately after he receives his gift.
Max and his sister open more presents and have a pleasant time together.
Max's sister feels Max is overstepping boundaries and Max tells his sister he is sorry.