How to tell if your partner is cheating

“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 Not Crazy: Letters From Your Therapist. And, while it’s possible that your partner’s hesitancy is just due to financial concerns, it can also be a tip-off that they’re cheating—especially if this wasn’t an issue in the past.