After working for three years, I found that the work I did was not what I wanted. Is it too late to change careers?

After working for three years, I found that the work I did was not what I wanted. Is it too late to change careers? Of course, it's too late. Three years is very short in your life. You have to work for 40 to 45 years, which is only a small part, so it's not too late to change careers.