Speed bump

I'm at that point that seems to happen to me in every painting. I clip along as quick as can be, thinking that I'm just a few sessions away from completion, and then Bam! I hit this speed bump where everything seems to grind to a snail's pace. I got some work done today, but I feel further from finishing the piece now than I did when I began. It's the drying time that's tripping me up. I made a couple big moves, and now need them to set before I can layer or mask on top of them. It's a frustrating part of the process.

Here's a look at where I finished up at the end of today's session. There's still so much I need to do, but can't risk meddling with it anymore today or risk smudging the wet areas: