There really isn't a "too late"/slow, etc. in our own lives as they are wholly what we want. I took a correspondence writing course Long Ridge Writers Group that got difficult for me and the time ran out before I finished and I felt like a failure but then I decided I wanted to finish it so I would not feel so bad so I asked for an extension and finished it. I felt so good about myself I turned around and paid to take the course again, start to finish with the same teacher and the second time around was amazing, my writing really improved, etc.