A relationship expert has revealed the number one thing to keep an eye out for when considering how healthy your relationship is. According to relationship expert, James Preece, thinking about what it might be like to date someone else is a major red flag. “If you keep wondering what it might be like to date someone else then it’s time to get out,” he said. “While it’s fine to have the odd fantasy about a celebrity, if you keep looking around at other people all the