the
lesser-known of the two of
Lowrey's Laws, most applicable to
short-term and
impromptu sorts of exercises; inevitably, one ends up spending hugely excessive amounts of time doing them, and by the time one is
competent to do the work
efficiently, there is no more work left.
Alas.
Contrast with "If you do a job too well, you will get stuck with it."
note to self: stop using the word "one" in your writeups, you bastard - it makes them sound dry and overly formal!