Correções de frases: Stress all the time

I would use "turns me into".
As for the second part, I get "je ne se quoi" feeling about it. That, because the combination of "may" and "stand" seems a bit at odds here, more so when there´s a confusing context.
Well, explaining myself then: The stress turns me into what I am not, so "I don´t stand up for myself"? OR just might have so tired that I can´t raise from the ground? (So I might not get up - then).
Okay you have it in Portuguese, but forget it. Let´s think you show it only in English to someone else... That´s what I mean, but then, it´s me.
Let´s wait for others to have their say on that one.

Hey PPaulo, thank you very much for the answer .

For the first paragraph I think "turns me into" is what I was looking for.

For the second paragraph, the meaning that I was searching was the one that you said in the second example: "OR just might have so tired that I can´t raise from the ground? (So I might not get up - then)."

So "I might not get up" solves my problem.

Glad that it helped. The goal here is to help, to add to the discussion and make the student (or fellow learner) to find his way, to think critically.
So, if he agrees, disagrees, amends, corrects or find a new way of expressing himself, it´s already an achievement to me, to us.