No Memes on Instagram: "Cheating in a relationship can be a deeply painful experience, and while every situation is different, there are some common signs that may indicate infidelity. Here are a few to watch out for: 1. Changes in Communication: If your partner suddenly becomes secretive, avoids deep conversations, or is overly defensive when asked simple questions, this might be a red flag. 2. Increased Secrecy: A partner who starts hiding their phone, changing passwords, or becomes overly pro