I lost track of how many mat pull sets I did but after failing to break 550 off 6 pavers I did sets of 2 and 3 with 500. Totally reps in 10 minutes was 9-11. The later sets came much easier. That's a good sign. Next time, I might do repeated attempts with 450-500 before attempting heavier to prime my back. A final attempt to move 550 after all this failed.

I need to deload. Everything has felt heavy lately. The other day when I didn't even lift I felt like a zombie walking around after cardio. 

I'm in a crunch-mode mindset but it'll probably do me more good than anything. This period is more about maintaining the strength I've already built up while making the weight.