I need help! Please get me out of this and show me some way to get cure

I want to Ask about my problem please let me know from what I’m going through,
I am 21 year old,

used to be very fit muscular boy but after that problem i gain weight like from 68 to and now 80 kg,


Before 1 year was doing masturbate every 3-5 times a week and was watching a lot porn video like everyday from like 4 year but before like 6months i thought that my penis is not good and i stopped watching porn and masturbate for 15 days and i started gym and after 2-3 days of gym once when i came back home from gym, i checked that my penis was very shrunk and hard, but after some time my penis went to flaccid loose and after that whenever i do gym or get nervous or do some hard work my penis get shrunk and in hard form, after that I’m getting 0 excitement for doing masturbate and watching porn and when i watch porn i get erection hardly and it lose in very little time, when i play or run or do gym my penis shrunk in hard form, i went to some urologist and i did sonography and semen test but everything is fine in the analysis, but I’m not getting horny or not getting urges to masturbate anything when i sit calmly my penis stays flaccid and feel like dead, and porn also don’t make me horny, i started watching porn in 2015 and after that i used to watch porn hardcore and more hardcore, after when for 15 days i stop watching porn but when i goes through this i started again masturbate and watching porn, now it’s 5 months butI’m still doing very few time, but there’s no sensation of pleasure when I masturbate and also no desire of doing sex, before i was a boy with so much excitement. Now my penis is like dead and flaccid and very soft and lose and shrunk hard when i do gym or run or when i get nervous, I’m in very bad situation please some help and tell me what is this problem. What should i do please someone help. Also after this problems now its like 6 month with this problem and in this 6 month i did masturbate but i never horny or getting hard in anytime with or without porn, with porn sometime with simulation but it loses in seconds and also before having erection by stimulating i get soft erection, i want my life back and i also have a girlfriend, she is from different country and soon i will go to meet her but i want to get my good life again, now it’s like when i imagine something in brain but i can’t think of things for long and i don’t even get horny or hard like there’s no dopamine release and no pleasure feeling, please someone help getting out this, i checked my testosterone and it’s 372 ngl,
I can do literally anytime to get cured again, just someone please help me and i am in deep depression and just thinking of finding way to get cured, help someone