Your hands can say a lot about you—your grooming habits (or lack thereof), your occupation, even your hobbies—but your fingers can say more.
Take a look. Is your index finger shorter than your ring finger? This specific digit ratio—known as 2D:4D (defined as the second digit length divided by the fourth digit length, or your ring finger length divided by your index finger length)—indicates the amount of testosterone you were exposed to as a fetus.
The smaller your 2D:4D ratio—the longer your ring finger is compared to your index—is, the more testosterone you absorbed in the womb compared to men with large ratios. And hormones like testosterone, it turns out, have a peculiar affect on how you behave toward women, a McGill study published in the journal Personality and Individual Differences and a University of Oxford study have found.
Here are 5 traits your fingers reveal about your personality.