During a recent podcast appearance, an American nurse warned people off dating healthcare professionals as she dubbed herself and her colleagues as red flags. If you’re wondering what all this flag talk is about, then you’ll need to know that the red, yellow, and green flags relate to how cautious you should be about a relationship. An example could be ignoring boundaries, relationship expert Barbie Adler earlier said. Why are nurses walking red flags?While appearing on Mark Dohner’s Podcast at the end of June, nurse Samantha Gilbert got incredibly honest about why her profession does not crea…