1. You make a wand from a twig and cry when 'alohomora' doesn't open your sister's padlocked diary.

2. You recite the sorting hat's first song at least once an hour.

3. Harry Potter is your best friend, even though your other friends try to explain that he is merely a fictional character.

4. The night after a violent storm, you put slings on all the branches of the old oak in your garden, convinced it's a whomping willow.

5. When an owl doesn't deliver you a letter over the breakfast table, you are devastated.

6. You take a quill and bottle of ink into school, forsaking the old and easy ways of the fountain pen.

7. You put a sign up on your bedroom door saying, 'The Burrow'.

8. You name your pets Norbert, Pig and Hedwig.

9. You dye all your coats/jackets black and stitch on the Hogwarts school motto.

10. When people ask you what football team you support you say, 'Football? I support the Chudley Cannons if that's what you mean.'