It's kind to include others in your activities.
Dan is going to the beach with his friends and his little sister asks if she can come along.
Dan wants to tell his sister if she can come with him to the beach.
Dan say's his sister can come to the beach with him and his friends as long as she behaves herself.
Dan tells his sister that she's too young to come the beach with him and his friends.
Dan's sister feels like she can be part of the fun because Dan is bringing her to the beach.
Dan's sister feels left out because Dan won't take her to the beach with him.