Does anyone else's writing level seem to fluctuate randomly at times?
Not really, but my emotional involvement in a scene does.
When I'm writing a scene I have to consider that everything has to follow a set of coherent steps which can be traced backward and still make sense. This means that some posts,
by necessity, won't be action packed thrill rides of joy and sorrow, filled with intrinsic meaning and metaphors and so on. Some posts are, simply,
John walked into the room and drank some motherfucking tea. That way, he can be in a position to involve himself in the next series of events:
Talking to Samantha about George being missing. That way, he can gradually become emotionally involved in whatever conflict happens to involve George, so that when he leaves the scene to just drive his car, he knows where to go to get shit started.
It's like any arc. You have a low start, a high middle, a low finish. You introduce, you make your point, and you leave. Sometimes the "introduce" and/or "leave" points will be
boring as fuck to set up the next sequence of events.