To go to war, the risk is very high. These barbarians have a harsh life, during winter if they ate too many lambs, then during spring they would have to spend it in hunger. So every two to three days they will go into Da Qi and steal things, and sometimes they will get something good. But war would be different, it would require countless amount of people’s live to change, unless the wages is huge, if not it was not worth it to try.