One difference to be aware of is experience. This does not always hold true, but the players with a lot of game experience usually find it easier to achieve success. The reason for this is that they have seen many different situations, and now know how to handle all of them in the appropriate manner. Sure, every hand of poker is unique. But the more you see the more you will know.
Another thing to keep in mind is that some poker players are luckier than others. This is not to say that luck is the only reason some players win – but it definitely has something to do with it. You cannot sit back and wait for luck to come to you. In fact, you have to control what you can; that being the skills you have and the strategy you use. In other words, do what you can to make your own luck.
If you want to become a more successful poker player you should begin to watch what others are doing. When you emulate successful players you may be able to duplicate their success at the same time. It is worth a try, right?