A Chinese man has been banned from selling the saliva of pretty, teenage girls as a tonic on China’s equivalent of eBay.Tonic for urge to eat grassThe auction house Taobao.com deleted the listings of the retailer Zhou after receiving dozens of complaints from Web surfers, according to Hunan Online.Zhou claimed the drool was a tonic and was asking about $3.25 for a small bottle and a picture of the girl from which it came. He said the saliva was collected from 18-year-old girls while they slept.Z