People who have been suffering from chronic pain would long for a perpetual relief to the pain that they have been experiencing.
It doesn't matter as long you are consistent along with this activity. How much you should you have been in pain system will heal slower. https://www.evernote.com/shard/s499/sh/745c682d-c710-f5a1-c9a4-070ed871d7cf/GmxK7PeCtCl7-0qF7nHHhMCZGkv26EmELvFgH2VjZFW4rTtCRFF91Ys2Ng