“Commitments like buying a house or car indicate that the other person is in the relationship for the long run,” says licensed family therapist David Klow and author of You Are No… See more

People who are cheating “tend to engage in sins of omission,” Durvasula says. “They operate on a ‘need to know’ basis, which is not healthy for a relationship.” Although neglecting t… See more

First, a caveat: Some people are seriously hooked on their phones and tote them along out of habit, or boredom—that doesn’t mean they’re cheating, Klow says. The issue a… See more

Again, a change in behavior is key here. “Our minds are wired to look for inconsistencies—it helps protect us from something unexpected happening,” Klow says. “If yo… See more