Separation anxiety in children usually happens when a very young baby cries a lot because of being separated from his or her mother. (marriage.com)
I also cried a lot because I was just so thankful that he was healthy. (kaboutjie.com)
Looking to chart out average crying times for parents and health officials to assess their babies, a researcher found that infants in some countries cry a lot more than those in others. (treehugger.com)