What's Wrong With Me?

BENCH:
empty bar:
Wide x10
Mid x10
Narrow x10
45lb KB rows x10 ea
65lb x10 / rows x10
85lb x10 / rows x10
[105lb x5 / rows x10] 2x
105lb  x5, 85lb x6, 65lb x8, 45lb x12 NASCAR drop sets
Rows x10 ea
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Ring pushups / DB press / Ring pullups 
x10 / 15lb x10 ea / x10
x8 / 20lb x8 / x8
x6 / 25lb x6 / x6
x4 / 30lb x4 / x4
x2 / 40lb x2 / x2
20lb dumbell medley of squats, pauses and holds. It was timed, but I can't tell you how long. I had had to stop a couple of times because my arms were shot.
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Hanging knee raises,  squeezing a ball between knees x20
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Shoulder mobility 2.5lb :
[Shrug / T  / Y / Lat squeeze (?) / full extend] 10x
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I'm not quite sure what was wrong with me tonight but I didn't feel very strong at all. Halfway through the drop sets I didn't think I'd make it and I only managed the minimum amount of reps that he asked for (except for the empty bar).  The pushups on the rings felt entirely wrong and awful and I'm just not happy with how I performed. I'm actually a little pissed at myself. Especially having to stop during the dumbbell medley. That was embarrassing. I've been eating well, making sure I have enough food in me, drinking water and sleeping well. I'm not going to put too much into it, and I'll just chalk it up to a bad night.