I wish I had a picture of my African Violet before I started feeding it. When I bought it for around $3.00, it was small and puny with only 1-2 flowers.
I had it for a few weeks before I got to the store to get a bigger flower pot and some African Violet food. It had stayed about the same size as when I bought it.
I repotted the plant and fed it using the directions on the back of the Miracle Gro African Violet Plant Food.
So, if you don't feed your plants, take my advice and start. It is amazing what a difference it can make.