Don't allow yourself get to the point of addiction because it is when you get addicted you then start to put up habits as drinking and others probably to help you was off the pains off your losses which on the long run you never get to forget those losses by drinking or drugs.
Easy to say but I am sure that it is a difficult thing to do and it is also difficult to notice when you are bordering on addiction or if you are already an addict. Lots of addicts do not really have the self-awareness to know and accept that they are already addicted so it is difficult to do what you are advising maybe if you are a person that has the discipline of a samurai then you might be able to do notice if you are getting addicted. I do not know about gambling being a gateway for other addictive habits but if it ever comes to that then you are going to need immediate help.
Most times these guidelines help to gamble responsibly but it's sad that most persons fail to be disciplined enough to want to keep to these guidelines which would have helped them become better persons regardless of their gambling habits, discipline is one key factor they should be considered because you could have a strategy and plans as well but if you are not disciplined you will still fail at it.
Guidelines that is not constantly being reminded is just a piece of text that you will read when you get curious or when you pass by it, a constant reminder that you should do this is the ultimate way to make things more effective especially in the case of gambling responsibly, players are easily distracted by the games and the cheers happening around if you are in a casino but the point is when you want to make some kind of point about gambling responsibly, a typically increase constant reminder is what you are going to need when you want to help a gambler.