I am happy with any win, and the intensity of my emotions depends mainly on the size of the bet. If I bet $1 and won $50, I would be very happy. If my bet was $5, I would also be happy, but not as much. In my opinion, the joy of winning also depends on experience. I remember when I won $10 for the first time, I was ecstatic. Now, when I win $100, I can't experience the same emotions because I have had much bigger wins in my experience. In addition, I think that over time we get used to dopamine surges and they no longer affect us as much. Partly because of this, many gamblers, having increased their bankroll by 20-30%, continue to gamble instead of withdrawing their money.
Agreed because I have this experience too, I think what happens is that the more we win, the bigger our goals get and this somewhat makes people that don't have control of their emotions to always can't stop gambling because the dopamine they get and their want for it keeps increasing. I also remember when some small amounts that I win used to impress and excite me but presently, there are some wins that I get I don't get any emotions because it has become a norm for me.
There's time what that small amounts will mean the world because it has been long I last won. Despite all this, I also think it's better we don't allow our dopamine to get to the stage that it needs more risk taking than we can handle. Everything should be moderated so that we can always be in control.and not allow the gambling to control us because that's when we get addicted.