You’re actually doing a lot right here brother. Training is solid and the volume is high. No issues there. Biggest limiter is exactly what you already called out.. diet consistency. That makes progress unpredictable especially if you’re trying to cut or recomp. I won't get into how to fix that...
I don't know why you would run test for 1 month? Anyways, reta isn’t really a 4 week thing, you'd run it longer term to actually see results.
You'd do 12+ weeks with Test and nolva/clomid is for PCT after not something you just throw in if estrogen gets high.
It's a long ester so it builds up gradually in the body. You might start noticing things like libido, recovery or gym drive somewhere around 3 to 4 weeks once levels stabilise. At the dose you’re talking about it’s more of a steady TRT style level so the changes tend to be gradual and mild.
Disc bulges and some narrowing is pretty common if you’ve trained hard for years. I guess right now the main goal is just managing symptoms and not making it worse. Your physio will probably give you stuff to keep moving safely core work & mobility and just hold off on anything that loads your...
EQ doesn’t lower estradiol, it just aromatises a lot less than test, so it can change the ratio a bit. Cleanest fix is a small dose of anastrozole or adjusting the test dose rather than adding another compound.