You made your own Hikki website
You visit this page regularly to see if you've gained any new symptoms
You've bookmarked at least three Hikki sites
You're using up most of your hard drive with Hikki stuff

You can sing along to Hikki's songs, even though you don't know Japanese
You've memorized all Hikki's lyrics in Japanese
You've memorized the English translations of Hikki's songs
You're learning Japanese so that you'll understand Hikki's songs

You noticed that in Automatic, one of the "just"s is spelled "jus't"
You go and check to see if this is true
You start spelling it "jus't"
You've added "jus't" to the Microsoft Word Spellcheck

You named your cat Chuichi
You went out and got a cat so you could name it Chuichi
You named your kid Hikki
Your kid was a boy

You buy Hikki's singles even though you own the CD because you like all the different versions
You can tell the difference between the Addicted to You Up-in-Heaven and Underwater mixes
You have a favorite version of Addicted to you
You have a favorite version of Automatic
You kill anyone who says Interlude isn't a song