Since I am a writer, I can be more concerned with more important things like writing a sentence until I get it right, because I can't seem to get it exactamundo, and until I get it exactamundo, I can't exactly go on to the next sentence

Fame is a grey area[.]

At the appointed hour Turner came and found me in an earnest study of the pictures in the farther end of the gallery, where I remained, unnoticing and unnoticed, until a sign from Griffiths called me up.

Don't worry; it's not the end of the world if he doesn't attend.