“If we wait for the mood, without endeavouring to meet it half-way, we easily become indolent and apathetic. We must be patient, and believe that inspiration will come to those who can master their disinclination.”
(From a letter the composer wrote to his benefactress, Nadezhda von Meck, March 1878; via Brainpickings)
Some 150 years ago the issue of “I don’t feel like it today” also existed. Seems this creative issue is timeless! So we may as well give up waiting for the right moment, because if it existed someone would’ve explained how to get there by now.