I can feel the 60S looming. In my profession I've just moved along with my age. By thinking in decades rather than whether someone's 42 or 47 you can give yourself a whole 10 years to turn yourself around in.
Irregularity and want of method are only supportable in men of great learning or genius who are often too full to be exact and therefore they choose to throw down their pearls in heaps before the reader rather than be at the pains of stringing them.