[Strange though it might have been, he asked it for a reason. No point in questioning his motivation, that wasn't the worrying part.]

'If'. This is no light undertaking, I presume you need not be told as much. The time spent here has forced me to realize that thingss are not as cut and dry as I wish they were, so whatever your reason...that is not for someone like me to judge.

But if you expend so much time and energy into a single equation, I worry for what becomes of the next step when it is solved.