Responsible gambling is a set of boundaries designed to reduce harm. It means treating every deposit as money that may never come back, using only funds left after essential expenses and stopping at a pre-decided limit. It also means being willing to choose not to gamble.
The phrase does not mean that gambling can be made safe. Every casino game carries risk, and every operator has a mathematical advantage. A person can follow sensible rules and still lose the full session budget. Limits control exposure; they do not improve the odds.
For some people, moderation is not a workable goal. If limits are repeatedly increased, losses are chased or gambling is affecting money, sleep, work, mental health or relationships, the appropriate response is to stop and use professional support rather than design a more complicated betting plan.