However, I lost the 2nd monthly bonus fast, I did not even able/lucky enough to increase $25 from my monthly bonus ($190).
You received a good amount from the second monthly bonus. What is your last 30 days gameplay activity? I have received only $40 from the second monthly bonus. My wagering activity has been decreased, but I had lost some deposits. I'm happy to turn my bonus amount 2.5×, still it is lower than your bonus amount

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Basically that is the same amount as the 1st monthly bonus.
My gameplay was more before I received the 1st monthly bonus, I received the top VIP members bonus from my VIP host last month (wagered around 300k).
After I received the 1st monthly bonus till I received the 2nd monthly bonus, I wagered around 60k only.
This month I reduced my wager activity as well because my luck seems to be bad after the 1st monthly bonus (unlike last month), although this month there is 10m race but I wont force myself to wager because I know it does not worth to spend money for it.