I have to agree with you Tian-Ai, putting music on is great. I always put my FMA or Pokemon CD on. I'm always so surprised how fast they seem to end. (both of them take more then 70 minutes XD) It's wierd to think that there's so much time passed since you started drawing.
Thanks for the tip about doing something else when you get a drawingblock. I get that often lately. What's also frustrating is that I know what I'm going to draw, but not the poses of the characters. It's killing me. x.X
The last thing you said sure is right, drawing is more than putting lines on a paper, it's an expression of what's going on inside of you.
Okay, one of the things that I experienced:
When you're final pencil sketch is done, surround it with a black pencil. It makes it come out better. But be carefull, you can't whipe out wrong lines.
Also, when colouring with colour pencils, rub it with a tissue after finishing a colour.
Don't be afraid to rub out of the lines, you can easily erase it. The colours will be a lot smoother, and you won't have those disturbing lines.