Actually gambling addiction do comes in gradual process, it doesn't comes at a time but how to control it in the early stage is always a problem that most gamblers normally having. Because though they would be seeing it as something that very common without realizing that as day goes by that is how they getting more addicted in gambling. So however, I think it's essential to understand when you are getting addicted to gambling and prevent yourself from it, because that is the only way a gambler can be free addiction.
It's okay to be aware of that initially,but sometimes,most gamblers are so unaware of themselves especially when the addiction erodes in the early stages of the addiction.The addiction becomes regular when they begin to interfere with their daily life and activities.The corrections ought to have started in the early stages of the addiction but that's also an ordeal to struggle with.
Things getting harder when addiction developed inside you, just like you said in an early stage that eagerness to keep playing will begin things out in you, if you dare not to do precautions to avoid getting hook then surely addiction will hit you and will generate bigger problems, it's always best to play with an intent to entertain yourself and just allocate spare money for your gambling.