Some C+C please on these. A little stuck PP wise.

Please may I have some C+C...I am little stuck PP wise so some help/hints would be great!

1.

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they look a little soft to me. Maybe some sharpening them a little bit might bring out more detail.

#1 i dont like it. Looks like he was photoshopped into the pic due to the light.

Rim light in #1 is too strong
Make them remove their phones from their pockets, its distracting.
Something red under his left eye in #3
#4 is my favorite of this set

Thanks for the start . No idea how sharpening skipped my mind . Yeah I am unsure about number 1. I may pick another (he seemed to like that on the shoot...but I agree).

Thank you Fester, it does look a bit hot (the rim light) so I think I will definitely chose another.
The thing under his eye in 3 is a freckle/mole...I am not too fond of removing permanent features but may ask him (some of his other shots appear as though it had been healed over).
The natural light #4 is my favourite as well.

I wish I noticed the phone on the shoot now .

Anything good about these haha? If I did another shoot, anything in these you like that I should keep on doing?