PE longevity

Ok , I’m new and I will say I’m a bit sceptical about the whole thing (weren’t we all?). But if this really does work, excellent.

But , I want to know are the gains permanent? Like if I do my stretches , jelq and other stuff, get to my goal of 7.00 x 5 , then stop, will I go all the way back to my original size in time?

The consensus seems to be that after reaching your goal you should continue a reduced maintenance routine in order to preserve your gains. Many also suggest that you should slightly exceed your goal so that when you do stop or reduce your PE you will fall back to your original goal. To answer your question YES you will lose SOME of your gains when you stop but not all of it. How much?? Wait for someone with more expertise than myself to answer that ;)