In this matter, what can be considered interesting is the fact that the emotions of an experienced player, or more precisely, the balance of his grief from losing and joy from winning, constantly shifts towards softer experiences and eventually comes to some harmony of feeling, which can clearly be called positive and bright emotions from  gambling.  But this of course applies to experienced players.  Beginners may just have too strong feelings about losing.  And even more so from a series of losses. 
Sometimes they infuriate such a newcomer so much that not only he, but even close people suffer because he becomes extremely angry and irritable.
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An experienced player can lose their control from his gambling activity so their emotion can become high. That is why gamblers must know how to manage their emotion while playing gambling because gambling can attract them into somewhere that they don't realizes. They may forget their self control when they see the chance to win but if they remember that is just makes them stop gambling because they know that the chance to win will not too big than their losses. So they will not push themselves to continue gambling instead just stops to control their emotion. So they only lose their money before their losses comes for more. They know that there are no fun when they lose too big money because that can attract them to gambling aggressively.