The probability of winning and losing is about the same, you are betting on a casino (in this case primedice) and of course you do have a chance of winning if you are lucky enough, hell you can have a lucky continues play, the game is not over and you decide it is over, which means you can always get lucky super big and continue keep winning small amounts and decide to quit before your losing streak starts. That is why casinos have "luck" part as well because it shows how normal luck suppose to be and how lucky you are or unlucky you are.

As you can see the OP has been 115% lucky on the latest one and that means it is expected to make profits with that much luck, can he continue to be lucky? Sure why not, can he start to lose any moment now? Definitely, that is why it is being called "gambling", in the long run house always wins but it is always "in the long run", you can always quit before house gets you.