10 Relationship Red Flags to Watch Out For, According to Experts

If your partner is keeping secrets from you, it can be a huge problem, Amanda K. Lopez, LMFT, says. Even if the secretive behavior revolves around minor things, it can snowball into bigger issues if left unaddressed.

"Secretive behavior undermines trust in a relationship by putting the nonsecretive partner in a position to try and mind-read or make assumptions about the secretive partner," Lopez says. "Mind-reading and assumptions rarely have positive outcomes and lead to suspicion. Open and honest communication is the antidote to secrecy and suspicion, and is a sure way to build a foundation of trust."