Yes, I'm saying the crashed E2 is due to the patient doing whatever he wants and not telling his doctor. You'd be surprised (or maybe you wouldn't be) how many guys self-medicate an AI but actually have no idea what the purpose of an AI is for. Once their E2 levels crash and they feel like crap, they blame the doctor. Some guys you can talk to about it and explain things, but many simply won't listen. I blame this on the internet. The net has been the single worst and best thing for TRT. It's the worst because it tends to promote a lot of bad ideas and misunderstandings, but it's the best because it also promotes the opposite of that...don't get me wrong, overall it's a good thing.
In my opinion, when you don't allow things to settle and even out, it's hard to know what's going on inside you. For example, if you take an AI based on how you feel that's not necessarily a good thing. I'm referring to taking one on this day, not on these days because you feel good and then one day taking one because you don't feel as good. First and foremost, even on perfect TRT, all the numbers are perfect, you're going to have days you feel better than others, that's just life. That is true with or without TRT. Secondly, you're never allowing your body to normalize, to get used to anything. I'd rather see someone stick to a schedule, a set schedule every week and after a time adjust things if needed based on that. Going all over the place with medications is never a good idea, again back to the normalization concept.
Another important note regarding E2 and something you eluded to, libido. Very low E2 can crush your libido, that's a given. It's also assumed that high E2 can as well, but how high? Check out this thread with Nelson Vergel discussing Testosterone, Estradiol and Libido. Should provide somethings to think about
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High Estradiol Boosts Libido in Men on Testosterone Therapy