Retouching pictures is hard work, unless you’ve got a good eye and like doing it. There’s a lot involved although sometimes it doesn’t look like it.  When I was younger, I made lots of retouching mistakes that result in very obvious photoshopping.  But the secret is to enhance the picture as natural as possible. 

People ask me to sometimes retouch their pictures. 
Here’s one I did this week: before (left) after (right):

  

Here’s the second picture she requested:
Click on them to enlarge…