PP is an effort to bring back the visual memory at the spot, and sharpen it. Hence when it's going too far, everything looks not compromising and people will think it's an edited photo.

Black - This is being adjusted too much in each photo. The hair even looked like stick together. Try lower it down.

Anyhow, pay less attention on colour and more on composition, as all the sifu previously had said. Trying to break the rule is good but you must understand it before you break it. Buy some portraiture magazine, it helps