I have had these very symptoms and also have to agree about the lost puppy look.
Almost identically, that when I up my dose I get mixed emotions and old memory/emotion type feelings. All very strange, but the tingling sensationsi my face and muscles from my Lyme or similar type disease get a lot more substantial, so it definitely had lots of good effects for me.
I also get dark thoughts, but not as bad as when I used to take Vitamin C too close to Iodine - that was insane.