torturer, tortured, instrument and pain

He says to me, we have a lot of work here: we need to get you off this cross you’ve put and nailed yourself upon. This cross that you’ve also built.
And I laugh again inappropriately because the image fits: I’ve trapped myself, this is all my doing. But the image is wrong as well: I am no martyr, just the torturer and the tortured, the instrument and the pain.