Of course it's all because you are on positive expectation games, and I am on 8/5 bonus or 8/5 aces and faces -- with the exception of the progressive which was on 8/5 double double bonus that I hit with the first $100 bill in the machine.
it's that positive expectation one-eyed-jacks game that allows you to have a six-thousand dollar profit with only one royal... and suckers like me with five royals can't come out ahead on our games that return 99.2%. Yep, it's ALL in the math.