*laughs* Me too, but Jack and Ianto realize that Harold *had to die*. And if Rose and the Doctor couldn't do it, then Ianto and Jack would take the fall for it.

I'd also like to add that "slow acting" meant "it took a while to kick in". It would have been a relatively painless death.

I'm glad I could give you a good end of the day! (and this means that it'll be a while until everyone gets another chapter. *laughs*)