Chinese President Xi Jinping is touring parts of Africa this week, celebrating ever-closer economic ties that have made Beijing the continent’s biggest trading partner. But the bloom is off their initial romance, as each side finds previously unseen flaws in its partner. “The honeymoon is over,” says Deborah Brautigam, an expert on China and Africa at Johns Hopkins University. “Now they are working on their relationship. It is not purely harmonious by any means.” Indeed, China and Africa may be going through something of a “seven-year itch,” say some observers. It has been that long since 48 African leaders gathered at an unprecedented summit in Beijing to embrace China, and now some influential African voices are grumbling about whether their continent has benefited sufficiently from that embrace. The figures are startling: Chinese trade with African countries has leapt fourfold in six years to reach nearly $200 billion in 2012. There are now between 1 million and 2 million Chinese