~snip~
That's because of their excitement, most people tend to show others that they are winning but not being able to share their losses. Why? maybe because of their pride. I remember so many people. LOL. It is one of the reasons why some other people who know nothing about gambling get to start gambling because they are hooked by those people who share their winnings.
You are right because it is about self-esteem that has been tarnished by experiencing loss and that is why they will not want to tell others the truth. They will choose to hide it to themselves, especially if the people around them already know them as someone who is an expert at analyzing every match. It would be an embarrassment for them if anyone found out. But people who hide their gambling activities from others really don't want to tell other people, and it's not because they have experienced loss that they don't want to say it. Perhaps it is because the response from other people and his environment that concerns him not to say that he likes gambling and gambles often.