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To learn card gambling, I prefer to study with people who are more skilled than learning via video streaming. I do this so that I can understand better about how to play and the tricks to win the game. Apart from that, by studying directly we can find out that he is indeed an expert at gambling.
If around where I live, there is someone who can play poker well, I'll want to learn. But the problem is that no one around me has good poker playing skills, and they just play carelessly. Perhaps I'd better learn via video streaming later to figure out how to play poker correctly.
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Even though, games like poker require some effort to learn and play efficiently, it can be more rewarding to know that you are winning not only because of luck but because you have managed to master your own skills to deceive your foe on how good or bad your hand is.
It is one of the reasons I would like to continue playing again when I have some spare time and not only burn time rolling dices once and again and again.
Also the magic of poker is getting to meet with friends and share some drinks while playing, the social part of poker and card games in general.

You are right because by having the ability to play poker and often playing with different people, we can get to know them and learn the skills to play poker. This will obviously increase our ability to play poker; slowly, we can have sufficient skills and maybe win poker games.
I think playing poker and being able to learn how to win goes a little bit beyond of knowing specifical people you can play with. It is more about noticing the physical cues, expressions and reactions your foes may have.
Sure thing, one can play against someone you know very frequently, and eventually read his expressions and reactions, but it is different when you face strangers in a tournament. That is the importance of not only knowing the theory of poker, but also the different kind of things people do when they are anxious, eager to wager, etc.
It is not so exaggerate like some movies make it look like, but such cues indeed exist.