It's rude to ask too much of your friends.
Sophie has a friend in Honduras, and some of her friends are going there.
Sophie wants to send her friend a gift.
Sophie buys a small phone for her friend and asks her other friends to take it.
Sophie buys a large blender and asks her friends to take it in their luggage to Honduras.
Sophie's friends easily fit the phone and are happy with the arrangement.
Her friends can't fit their own clothes in the luggage and become annoyed with Sophie.