Permanent Gain? Is It A Real Thing?

I've been through every post in this forum and i really can't understand why there's no one conclusive answer. Is PE a real thing? Some say that you can only gain perm girth with pumps and that length is achievable with jelqs. Some say it's all a lie and that I haven't gained anything after years of keeping a routine.

What's your personal experience with those techniques? Which one gave you long term gains?

I don't keep any special routine, but I do dedicate 5 mins every morning for...

Permanent Gain? Is It A Real Thing?