At early stage, one may feel remorse most especially when you lose the games, but what gives the highest motivation is when you gamble and you win at that point, your confidence level will be increased compared to when you lose, and also when you are in an area where most citizens are not a gambling or religion restrictions on gambling activities.
Regular gamblers don't regret losing gambling. Regular gamblers have become a bad habit and don't feel bad about losing. And those who lose when they are new to gambling have a lot of regret and some people. There are those who vow never to lose money by gambling again. Similarly, there are those who lose gambling and start gambling again to recover the lost money.
Additional advice would be better if you know when to stop gambling and determine the funds to be used for gambling.
Everything will look very easy to gamble without regrets when you can always commit to the planning that has been formed before deciding to bet.
People who gamble regularly most of the time can't gamble because they are completely addicted to gambling. Gambling is a bad addiction I think but I don't like gambling very much. Gambling is a bane of my life. I have lost a lot of money by gambling. For which I try to stay away from gambling. I now regret the money I lost by gambling.
Everything you said might be right except for the part that regular gamblers don't feel remorse. It is a dopamine thing and dopamine is usually considered to be the pleasure hormone, which already implies that losing should not foster dopamine production and release in a normal person and even in a person that is fighting an addiction. It also is dependent on what remorse exactly means. A slight sadness when somebody lost money is normal and should also be the state of mind because nobody should be after losing. But addicts also often undervalue the consequence of losses and overvalue the consequence of winnings, which is also triggered by chemicals in their brain. When they lose five times in a row they are still looking forward to this one win after losing so many teams even if it doesn't fully make up for what was lost.