It is right that we be concerned with the scientific probity of metaphysics.
Metaphysics is a science.
But a science is exact to the extent that its method measures up to and is adequate to its object.
The wise man knows how to run his life so that contemplation is Possible.
The striking thing about the Precious Blood is the bond it establishes between love and suffering in our experience, a bond that has become so close that we have come to think of suffering accepted with joy as the most authentic sign of love with any depth at all.