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What's interesting about your comment is that I back when I used to want to be able to draw by hand, I did a lot of studying on it to try and learn techniques (I failed miserably at this, so it didn't last long). During that time one of the things I learned is that if you don't practice it constantly, you never get better than when you last did it. So if you haven't concentrated on improving your drawing abilities since the age of 5, then at the age of 35 you'll have the same skill level.

and at 50 even worst.... !!! :D :D :D :D :D