It's the way that children are raised and how they are treated by their parents and other authority figures. They were stunted emotionally at a very early age, i.e., weren't allow to state how they felt, had to hide their true feelings, no affirmation, love, and validation from their parents.
Job, this is a page from my childhood. My parents were never there for me emotionally. And there was a lot of criticism (my Mom) or not caring (my Dad). My H had a very loving Mom. Not sure how his Dad was, as I met him when he was on his 3rd wife and he also came across as a very selfish man. So, why it not me who is in MLC?
M:50 H:52 S28 (my S from previous marriage) M:17 + 3 BD: 06/12 S: 06/12 - H works in another state