Stop shitting dual gap, it can be played in various ways. Just like chess, backgammon and other old style games. Same map , same set up, each time by different tactics... If you are smart enough to understand dual then go and f*** everyone, but of course you would not do that, just because you are not smart enough
You can go to McDonald's once a week, but if you eat it all the time. you will feel bad. Here is just such a case.