It's difficult to say since you never had your levels measured before any of your problems. But I will say that opiates have been known to reduce testosterone levels, and I'd be willing to say they are the reason some people are on TRT. Anyway, with your history of opiate use (with good reason, I will say, as back pain is no fun), and the reduced feeling you once had of being an "alpha male", I'd be willing to say lowered testosterone is a potential good culprit for your lessened feeling of well being. Most alpha males have high testosterone, so if this was the case(this is hypothetical), and you were in the higher levels of the testosterone range (or even above) and dropped to 550, a loss of 50 % of your testosterone, although leaving you in the normal range, could definitely be the cause of your mentioned problems. This is what is so frustrating, everyone is different, and so where someone might feel good another might feel bad. The only difficult thing is, like I mentioned before, we dont know what your normal baseline testosterone level was before all this happened. BUT, I'd definitely look in to low testosterone being the cause for your lessened alpha male and well-being feelings.