Robot | Drawing Practice

Hello!

It is good to practice a little drawing from time to time, what I would like is to improve my drawing with color since I always have doubts when I want to apply color to any drawing.

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Worked with:
Wacom Intous 5
Photoshop CC

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What bothers me is that sometimes when I draw I do it automatically and everything works out for me spontaneously and when I want to continue drawing in the same way it is as if it blocked me again ... hehehehe.