It clearly aligns with the recommendation of Carl Rogers. Carl Rogers is a psychologist in which he is one of those who are able to find in psychology the so called humanistic approach. He was able to recommend or rationalize that in parenting, it is best to be able to accept the child's feelings and in a way that they should be also honest to their feelings with their children because this approach enables strong and good relationship of parents to their children.
Genetics are an undeniable factor in how easy it will be for some people to pack on size