I don't like to discuss gambling matters openly. The main reason for this is that gambling is not legal in my country. And you can be criminally prosecuted for gambling here. So I refrain myself from discussing these things in public places.
Also, I would never discuss gambling with a stranger . And even if we discuss, I will not tell him how much money I have gained or lost in gambling . Because this is my personal matter.
If I know the person I'm talking to is a gambler. Then maybe I'll talk to him openly. However, I will try to avoid personal matters. Because even if you have a lot of money, you would never tell a stranger about it . It can lead to various accidents. So I try to avoid these things for my own safety.
It is for the best to not talk about any topic that is money related, where I live it is very common to get asked all kind of stuff regarding how much money I make and I have always thought that is simply tasteless, the only persons besides myself which should care about how much I make is my family, no one else needs to know that information, so it stands to reason that I also do not like to answer any questions which are related to how much money I spend on gambling.