Everyone who has any talent at all in sketching, painting, sculpturing or carving, should have the opportunity to use that talent. The expression is important for the person, and can tremendously enrich the lives of other people. What can you do?
First of all, be satisfied with the fact that although your art or talent may never be accepted by the world as anything 'great', and may never be your career, it can be used to enrich your day by day life: enrich it for you, and for the people with whom you live. And secondly, come to a recognition of the fact this it is important for you to be creative in this area to the extent of your talent: important for you as a person who is a creative creature.