I'd definitely be the kind of parent who enabled my child's dreams. I'd just watch and nurture and guide them. I have the blueprints of what not to do... I think I'd be a good parent actually.
Very few people possess true artistic ability. It is therefore both unseemly and unproductive to irritate the situation by making an effort. If you have a burning restless urge to write or paint simply eat something sweet and the feeling will pass.