Good and Evil

this is a quick sketch for a tattoo my friend wants on her shoulder, i've been getting a lot of requests lately, and i came up with this one on the spot. i was actually surprised to find out i like it, even though it took me less than 10 minutes to think up and draw.

it's supposed to show that the heart has good and evil in it, no matter how chaste people claim to be. and the halo is the dividing line