I try to avoid the temptation with time as a total indicator for what my possibilities are for the marathon. It's the not the best indicator, but it's more how you feel, how you cover the distance and how you are able to do the training afterward.
“If a composer has a nice wife and some nice children, how can he let the children starve on his dissonances?”
“I tend to come up with people more than situations - most of my books start with a character.”