Desensitisation treatment Martha called it. Gwen called it 'ten ways to freak the fuck out of Gwen.'
The chains were loose and she could still move, but she felt totally helpless.
"Just breath through it," Martha told her gently soothing her.
"Right, breath, because that'll work," Gwen didn't mean to snap, but she didn't apologise.
"You don't have to do this," Martha reminded.
"Yes I do, I can't afford to get freaked out like that again if we're ever taken hostage," Gwen said. "It almost cost Ianto his life, it's too big a risk."
Martha's only response was a nod.