Prolactin. Your levels must be fantastically high.
You have already elevated your estrogen, killing your test production, its a textbook fit for ALL of your symptoms.
DHT blocks the effects of estrogen, your usage of Fina elevated your estrogen, which lowered your test production. Its a bullshit drug, keep your hair, grow some tits.
Huge doses of test only sometimes help because the test produces DHT and the usage of the on cycle AI controls the estrogen, with a proper PCT its basically a HPTA reset, but not a great way to do so.
Its like throwing a huge amount of gasoline on a fire, throw enough and it will smother it, mess it up and it makes things worse. Your playing with an already out of whack HPTA.
You need a Dopamine agonist, likely more AI, and a PROPER PCT, nothing else is likely to fix you and using Deca was literally the worse thing you could do.
lucky for you, all of those things can be had as research chemicals and for pretty cheap. Your going to need to buy about 3 drugs, and your going to need to drop that deca asap, keep the test.
If your not sure what Im talking about above your going to have to PM me.