You were number eight, another one of Reginald Hargreaves adopted children. Your ability is empathy, meaning you can feel the emotions of people around you, and can manipulate them, which that in itself can be very stressful and tiring. There have been times when you get overstimulated by the emotions around you, and it becomes difficult to distinguish your own. It's a constant assault on your mind to say the least.
You and Klaus were rather close, and when you say close.. it means close. You were sitting on the couch, watching "Teen Wolf" on the television to distract yourself from the anxiety attack you just had. You tend to scratch at yourself when you have anxiety attacks, and it's been a while since you had one. Klaus walks into the living room, joining you and placing his hand on your thigh. You wince, because of the scratches, and he looks at you with concern
"You okay? I didn't hurt you did I?"