“My absolute red flag is just when someone doesn’t treat other people — even when no one is watching ... have to understand my kids, and their background, and where they came from ...

Many people echo Anderson's sentiments about this red flag. "I'm actually shocked at ... you can at least find out a little bit about their background and experiences." Google, Bing, LinkedIn ...

Franklin Jonas and Harper Grace are no strangers to the difficulties of ... and Harper Grace as they take on Us’ Green Flag and Red Flag Game: Franklin: You know what? Green flag.

According to Rodrigo, she would ask a “very oddly specific question” on first dates to pick up on any red flags ... Bia commented with a GIF of an astronaut fist pumping.

Mark Cuban, the billionaire entrepreneur and longtime "Shark Tank" investor, didn't hold back during a podcast appearance, where he revealed what instantly sets off his internal red flag meter ...