OP you would likely see a drastic difference on test. I feel you about all the hard work and diet and no gains or fat loss, I’ve been there. Disagree with the guys who say it’s all your diet or training. I’m sure your diet and training have room for improvement, I know mine did, and still do. But imo having poor hormone levels can make the best diet and training routine irrelevant. But here’s the real question you should think about, are you prepared to accept the consequences of starting exogenous test? It will very likely be a lifelong commitment. Especially once you see your physique transform, you won’t want to stop. Are you prepared to be dependent in several ways on a controlled substance (in us at least) for life? There are implications for travel. And most importantly, IMO, think extremely long and hard about the implications on ever having kids. Good luck whatever you decide.