Harry: When Harry leaves to go on tour he leaves you his air plane necklace. He can tell you miss him, whenever he sees pictures of your wearing it.
Niall: When Niall goes on tour he leaves you his green Snapback with his name on it. He thinks it looks really good on you and you wear it a lot anyway.
Zayn: Before Zayn leaves for tour he will draw a bunch of pictures with notes on them and leave them all over the house. Whenever you find one and read it, it makes you smile.
Louis: When Lou goes on tour he will leave you one of his striped shirts. You love them! They are so soft and comfortable and really cute too!
Liam: Before Liam went on tour he gave you a Jessie doll to match his Woody. When he leaves he makes sure to leave it in his spot in your bed.