Does any of feel behavioral change in you based on the win/loss in gambling. Myself had experienced it, and personally I used to be happy and I used to be polite with my family members and kid whenever I am on profit. On the day of losing it changes exactly in the opposite way, even for simple things I get much anger. Particularly while giving food to kid patience is must. On winning days I let him take his own time and eat. On the losing days I used to shout at him. I'm addicted, and I want fellow gamblers to make a self analysis at regular interval and be on the safer side.
A gambler's behavior will change is a normal process especially when a gambler gets a profit from a gambling bet a happy change and behavior change will be noticed. Moreover, a gambler is always in a state of excitement as he always has an exciting situation in his mind about what will happen in the betting and what is going to happen. Especially when a gambler loses a gambling bet, a kind of upset attitude or change is seen in him. It is quite normal in a process where the opposite happens when a gambler makes a profit instead of a loss in gambling.
But I think it is always important or should be good with family members. A gambler will keep himself under control and always treat his family members well is considered the behavior of an ideal gambler. Being an ideal and ethical gambler is only possible if you can control the situation and treat everyone well when you lose in gambling.
Why link "ideal" gambling behaviour to outcomes? You propose a binary world where winning or losing determines happiness and decency. Not only is that ridiculous, but dangerous. Gambling is about risk, not simply money. Emotional and relational dangers apply. You appear to suggest that a gambler's family life depends on their gaming. Doesn't it miss the point?
Self-control and honesty are the issues, not gambling. These attributes don't change with luck. Constants. Thus, a "ideal" gambler understands the stakes beyond the bet, not just the outcome. Your identity matters once the excitement fades. Can you see your activities' wider influence beyond the rush? True behaviour change happens there, not in the win-loss column