I guess this is one of the most confusing subjects for most creatives. I think its something that can really effect your work and in turn your work flow.
We all have a style, but as we develop further into our careers, the style boundaries can quickly appear and then disappear. One day its all going your way, the next you just cant seem to execute the simplest of concepts. It feels like your working pattern has disappeared and you almost feel stuck.
I am still very new to the illustration industry. I only started working at it full time six months ago. I had been working as a creative in the design industry before this, so I have always illustrated but never on a professional basis.
Throughout the past six months, I can definitely say that I have developed as an Illustrator. Though this was not an easy ride. I get those days where crippling self doubt settles in and I cant stand looking at the work I have or am currently producing. I think, god this is terrible, I cant be a professional Illustrator producing work like this. But then I also have days where it all just seems to flow and I have that extra confidence about my work.
"I guess the thing to try remember is that it is normal"
I am currently going through one of these phases. I keep looking at other illustrators for inspiration, but then I get this overwhelming jealousy of their style, talent and of course success. This has to be normal, right? Well I think so, I personally think its a time most creatives go through. I like to refer to it as a development period. A time for reflection, involving more thought process along with trying to put yourself out of your comfort zones.