China's own recent history proves that when it opens itself, there is nothing its people cannot accomplish. A more open China will lead to a more prosperous and stable China. That's good for China, the United States and, indeed, the entire world.
Coming over to Europe you can always put on weight really easily because you are not doing your normal routine at home. It is just a bit more discipline and not eating breads and pastas which are my favourite foods in the entire world.