Oh. Really? They were going to do this? Buffy reached out, snagging his wrist with her hand, fingers curled around his wrist. She held on tight, but not tight enough to hurt him.

"Angel, I promised not to let you do anything stupid. This qualifies as stupid. I will tie you up and sit on you if I have to."

She'd let him find out whether there was an escape or not later when he was sober, but right now, she wants him to rest and eat and get sober. She's not sending him into hell with fresh stitches.