Firstly I have hypgnodism problem my testosterone is 0,I have hypothyroid problem,I have gyno

I don't do much english so please understand and consider.Present my age is 27.My height is 5.9 and my weight is 86kg but with lot less muscle mass.I have some signs in my body like low energy,so I decided in 2020 to have a blood work so my free test is literally 0,my estrogen is 70ng/dl, until my friends discussed I even don't know their will be morning wood,so I myself took hcg for 4 weeks in 2022 and I have done blood work so my testis responded to hcg.In 2022 I have gone through an accident and I lost my father then my life even became worse I lost all my muscle around the right knee and thigh still today im limping im unable to walk properly.since I have hypothyroid problem so I became fat like I added nearly 30kgs of fat in my body I have gyno like grade 3 or even grade 4 I'm not sure,once I went to endocrinologist he checked my testis and said one testis have normal size and other one have small size.I don't even want to discuss about my financial condition it is worst.since 1 year I'm clearing my debits.I have a girlfriend from past 2 years she's looking to have sex with me but I'm avoiding.so give me advice guys like how I have fix my body,how I should start the trt, what are the blood works I have to examine,I'm also planning to take bpc 157 and tb 500 for my knee problem.Thank you in advance.