I start to walk out of the room, but I hear him start to panic and his breathing...

I start to walk out of the room, but I hear him start to panic and his breathing gets labored. He reaches out to me. "Don't go. Please."
I sit next to him on the bed, wondering if he's afraid of being abandoned. He slings his arm around my thigh and rests his forehead against my knee. "I have to protect you," he says softly.
"From who?"
"El Diablo."
"El Diablo? Who's that?" I ask.
"It's complicated."
What does that mean? "Try to rest," I tell him.
"I can't. My entire body hurts."
"I know." I gently rub the arm that's slung around me until his breathing slows. "I wish I could help you," I whisper.
"You are," he murmurs against my knee. "Just don't leave me, okay? Everyone leaves me.