Used to be

Felix used to be a dancer, but now he works as a cook.  He always thought that he would be a dancer, because for many years he went to dance courses, but over time he realized that he loved to cook and would be a cook. If he hadn’t thought about what he loved for a long time, he would not have been a cook. He didn’t used to be a cooker. Last year he didn’t used to be a cook, but now he is the master chef .