"That's probably the closest you can come to what 'sick' is." Ivy told her, smiling. "We are different on a scale that is very, very small...I mean, I have liquid in my body, but..."<br/><br/>Pausing a moment, Ivy considered, and then pulled out a survival knife and carefully pricked her finger to get a drop of blood. Holding it up, she explained. "This is<em>blood</em>. Without it, I would die. It's the closest thing to a true liquid in my body."