my older brother and i are staying at my grandmother's for a week, so im using her laptop right now. currently im in the basement watching CNN and on here, my older brother is asleep. the thing is i just woke up with these scars and cuts on my arm and i don't know how they got there. it is 4:03 am right now, i can't sleep so im staying up all night. around 2:00 am my brother and i were hearing foot steps and the door moving at the top of the stairs, we just assumed it was our grandmother, so we...