It's okay, you'll only disappear

"Why're you doing this?" She asks nervously. She's afraid, afraid of this side that she's never actually seen before. She's fucking petrified.
"Because I need to, don't you understand?" Comes the reply, "because I have to, I must. Because I'm scared too but this is control."
"Do you want to stop?" She takes a deep breath, trying desperately to look the other in the eye. She can't though, so she let's her gaze slide away from the brown eyes that hold her and focuses on a collar bone. "Because," she takes another deep breath, "because it hurts. It's starting to hurt. Please?" Her eyes are pleading, her fingernails digging into the palm of her hands.

"I can't." The other says simply.