Flatline symptoms started even when I didn't start to reboot.

Is this possible?

I don't think so

Well I think it is possible because after a prone masturbation session, my penis shrunk after a few days. I don't think I damaged anything. I was still able to masturbate but with less of an erection and it didn't feel as good as it did before. I can't get 'turned on' normally either. My libido is low.

Something happened and I just can't figure it out. I really don't think I permanently damaged my dick. It's not a constant pain.

I think I desensitized my dopamine system. It's the only logical explanation, I think. No doctor I've seen so far understands this and just recommend me viagra or they found nothing wrong.

What do you think?

Yes i think so, our dopamine receptors become  desensitized because of excess porn use. Now we have to give rest so that it become normal.