I feel you are very good. If I were to give some criticism I would say try to put your own spin on what you paint. Example put some silliness, weirdness, something that is unexpected in it. Like least number of strokes or colors to show a scene
Discussion
I agree, this is very good advice.
Less is more.
As Leonardo da Vinci said, simplification is the ultimate sophistication, so it will be very difficult.