Jack should have known from the start that Ianto would heal Coat. He cares for it almost as much as Jack does. Coat knows it too, and had total confidence. I'd have tried to dodge what I thought was a wasp, I'e been stung twice and the creatures were being really spiteful. I just waited for them to fly away, but they didn't and stung me. As a result they got squished, and I don't feel guilty. I was trying to let them get away