Who is she supposed to be? Some singer evidently, of music never heard by me.
Its not always that simple as a matter of having or not having discipline. Sometimes there are complicated mental and emotional issues as well. Sometimes there are physical causes, such as an abnormal thyroid.
I’ve had a weight problem since childhood. Although I’ve lost weight, it’s still a lifelong struggle. I’m not looking for sympathy — it is what it is. But I wish people who have never had this problem would refrain from giving unsolicited advice and making pat judgments.