Fame is a grey area[.]

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

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.