It's good to serve food to your friends and family.
Emily has invited some friends over to hang out at her place.
Emily wants to encourage her friends to have some snacks.
Emily prepares a snack platter and brings it to her friends.
Emily tells her friends that there are snacks in the pantry and to help themselves.
Emily's friends enjoy the snacks as they arrived quite hungry already.
Emily's friends are hungry but too shy to get the snacks themselves, so they don't eat.