This method has worked well for me and I have experienced no withdrawal symptoms. Obviously, the gel
patches can't be cut since all the gel
will ooze out.
Are you trying to taper before surgery? If not, you might consider doing so as your pain will be easier to treat post-op if your tolerance is lower.
As for depression, oh yeah, I've had some real bouts of depression, but it's been more situational - due to my underlying condition.