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Congratulations on your first expo! I hope you enjoyed the experience!

I worked in a small art gallery for many years and saw first-hand that a lot of good artists are very shy, without good reason. I know self- promotion can be daunting, but worth pursuing, otherwise, how will the world know about your beautiful work? You'll be doing everyone a favour by telling about your art :D
All the best with it! Hope to see more.