You need patience until something good comes out of it,
You need to learn to detach yourself from your own work,
You need to accept your own imperfection and also of the world surrounding you ,
It is never too late to start painting,
You might discover healings out of painting activity and you might see your own brain putting in practice the painting moves and attributes of your way of painting in other activities.
I started painting in highschool and I stopped myself for the right reason, I did not see enough of the world so I can comprise it, but that was just because we lived in a communist country.