Mainland can take over Taiwan whenever WE see fit, not when YOU see fit. That's why we prepare for so long, not only for Taiwanese military but for US intervention. We do not behave like your leader, when we choose to use force, we chose the timing very carefully and use it until mission is accomplished.
Your leader also like to use force, far more frequently than China. So what? Nothing accomplished except bankrupting yourself!
You probably think the Chinese leadership and PLA is building up China's military fast recently, just in order to let US stay out of the mainland only? You must be kidding yourself.
By the way, what's taking so long for YOUR leader to stay away from fighting with North Korea and Iran, anyway?
More specifically, what's stopping YOU to go to the front line to fight the Taliban for YOUR country? The GIs are bleeding there everyday, don't you want to put your body where your mouth is, starting from today?