Help me process this flopped PT plz

So I just took PT 88 (flex style)...and it was rough. Like we're talking I knew it was so bad, I didn't even bother with BR and will just redo each section individually tomorrow. I'm not discouraged, just a little concerned about how I managed to fall apart that aggressively. If anyone is willing to sift through my reflection and offer advice, I'd appreciate your words of wisdom. Harsh, gentle, and every tone of advice in between is welcome.

3 things I probably did wrong RE: the timing of this PT (which I took at the time I'm scheduled to take the test for real btw):
1) I stayed up late last night
2) I was out and about all afternoon
3) I have friends coming over right after this, so the pressure of plans right after was probably very unhelpful even though I told them I'd text them when I'm ready

Actually taking the test:
TLDR; I messed up the logic games so badly that I knew there was no salvaging my score after that. And it showed in the RC section...LR I somehow managed to recover enough to only get -5

All week, I've been doing individual logic games of all types and difficulties, most of them for the first time. I was finishing them quickly and fairly accurately (-0 or -1). I thought I had finally developed a strategy for paying extra careful attention and not making sloppy rule misunderstandings. Yet today, I did worse than my diagnostic. I somehow managed to misread a rule in every single game and couldn't recover.

This definitely started to leak over into the LR section, which is unfortunate because I was able to hit a personal best in my drills this week. But I still was able to implement my skipping strategy and I even stopped and closed my eyes for like a whole minute. My attitude was not great, but obviously I kept it together enough to get -5, which is about as bad as I'm hoping to do worst case scenario on the real test.

I thought I had made a recovery, but the lingering effects resurfaced in the 2nd RC passage. The passages were all actually quite easy to understand, but I think I just mentally checked out because I knew this test was a wash.

The big question

I guess if there was one piece of advice I absolutely need, it's how to stay mentally engaged after royally screwing up. I consider myself a good test taker and I've never gotten that deflated mid test, even on tests where I knew I wasn't up to par on the material. I always found a way to salvage some scraps, but just didn't have it in me today for whatever reason.

Like I said before, I'm not discouraged because I made some sick gains in my drills this week and was really feeling myself all week. It just didn't click during this PT. But with only 12 days to go...yikes

Also, if you read through all of this, you're a hero and deserve all the success in the universe.