3. She’s spending more time at work,for no apparent reason. Let’s face it–your wifey spends the majority of her day at work. Cheaterville notes that “1 out of 3 adults who cheated indicated they did so with a co-worker at one point or another.” Working late may be a clue if she also has a need for privacy when she’s around you, according to Cape Fear Investigators: “You know your spouse well and can tell when they are suddenly acting different. Specific changes to look for are sudden attention or change in appearance, a new obsession with privacy when it comes to phones, computers, email, etc., sudden large withdrawals from bank account… if you can’t explain these behaviors then your spouse could be cheating on you.”