It's ridiculous to see how much Casca's anatomy changed after I fixed her head with the liquify tool, I've always had the problem of drawing heads that are too big and NEVER notice it;; it may still be too big even.
There's a mouse-like thing born on Earth. You can never perceive it fully, you can never catch it. The older it gets, the more it transcends time and space. It is a messenger for a yet unknown space entity.
Photoshop Liquify Tool Guide: How To Use the Liquify Tool
Read this article to figure out how to utilize Liquify tool in Photoshop, it can help you to alter your any picture to make attractive pictures that your clients like.