I agree with the ladies above...stress isn't helping. But I do understand that you have TTC and the Baby Project always on your mind, which doesn't help with stress...I was in the same place 2-3 months ago.
What really help me, as Kathryn suggested, was gym. When I was home and got really stressed, I just went to gym and run like crazy (there's snow outside so I can't jogg in the street this time of the year)and it helped a lot. I felt better and
much more positive right after.
I know you also said you don't want to temp because you don't want to obsess with this + your shift doesn't allowed, but it's really a good way to keep track of your cycle and it really kept me out of the blue. I always had very regular cycles
(28 days, O'd around day14-15), but after my EP, my cycles went completly crazy (over 50 days). But because I temped, I was less stressed cause I knew I'd O late and AF would arrive later than expected.
Finally, I think talking with your Dr. and try to figure out what is happening will help a lot. He might suggest some hypothesis or tests and just knowing that someone who's trained for this is taking charge of this, or just saying that
it's normal, will probably help taking down the stress.
Big hugs sweetie!