/fa/ - Fashion

Finasteride blocks not only the DHT but all DH derivatives of other hormones, like dihydroprogesterone, which is part of nervous tissue membrane repair cycle. With it's absence or substantial lack your neurons' connections are going to slowly degrade and you'll get dementia much earlier in your life, with first effects taking place after a couple of years on finasteride.
And guess what - the effect is permanent and the damage done cannot be cured. At least at this stage of medicine progress.
It's not about losing erection. It's about losing the ability to think and seizing to be an able human being.