Butterflies in your stomach when you catch sight of that special someone? Then stop eating butterflies. Your heart races when that hottie you've got a crush on passes you, but is it true love, tingly lust, or just plain old cardiac arrhythmia? How can you tell whether your crush will blossom into pure, blissful ardor or wilt into stunted, drooling idol-worship?

Enter the SparkNotes Love Test. It's a suave and sultry oracle of passion that will iron out your emotional panties. Because really, the human nervous system is a simple machine, like an abacus or a Hyundai. So straighten up those weak knees and wipe off those sweaty palms—it's time to take the Love Test and find out if you're really in love or just infatuated.