Struggling with Hashimoto's: Seeking Optimal Health

I am in my 3rd year of my Hashimoto's Journey. I take Levothyroxine everyday, but still deal with a plethora of seemingly unrelated, but umbrella of symptoms (brain fog, fatigue, body and joint pain, anxiety, etc). I also know there is a difference between being within "clinically normal" and being in my "optimal range" for my age/other health factors. Being within your optimal range can be the very thing that determines the severity of your symptoms even when you're clinically "normal". I try to get my thyroid levels checked every month... In January my TSH was 0.7 (close to hyperthyroid, 0.4). In March, my TSH was 2.3, which I felt was high, since I know my optimal is close to 1.0. The thing that makes Hashimoto's different from other Thyroid issues, is that your levels tend to swing back and forth between hyper and hypo. It's a specific condition! The constant swing between the extremes, and then the everyday swivel between normal, but not optimal levels, is enough to put your body systems through the ringer... Hence the fatigue, brain fog, and body pain. I always wonder WHY, when my levels change so much so often, WHY is my Levothyroxine dose not adjusted to keep me at my optimal level. Doctors and medical professionals do not talk enough about optimization for individualized health. I only had one doctor talk to me about this, and he was a fill in until the office found another endocrinologist. The journey is maddening! What do I need to do/as/say to be a better advo ate for myself? I don't want to struggle anymore.