Some red flags are pretty specific to the person, but others are commonly held. Here are four red flags that might cost you a potential partner.

Look out for these email scam “red flags” — especially during the holidays — says Kevin Mitnick, a former hacker who’s now a computer security consultant.

When you’ve known your partner through many ups and downs, it can be challenging to see what is a rough patch and what is a red flag in your relationshp.