Remember that Friends episode where Rachel tells Joey that her boss wants to buy her baby? Everyone is completely flabbergasted that someone would be so insensitive and ridiculous. No one actually asks if they can buy your baby! Right?! Well, as a mom of four kids with two adopted from China, I must say that I have been asked some equally ridiculous questions about adoption. When my kids were younger, it didn’t matter if people asked questions. They were too little to understand or care what I was talking about. But now that they are older, unsolicited questions that highlight their differences or make them feel like they are not…