I ran across this quote the other day and burst out laughing because yeah, that very thing just happened to me.
“You can’t just turn on creativity like a faucet. You have to be in the right mood. What mood is that? Last-minute panic.” — Bill Watterson
Yah know that feeling when your day’s moving along, everything’s right on track, but there’s this little tickle in the back of your brain telling you you’re forgetting something?