[header] How to know if you're in a gaslighting relationship [title] Know common reasons for gaslighting. [step] Gaslighting is meant to confuse the other person and cause them to question their reality. It occurs sometimes around illicit affairs and addiction. 
If you begin to get suspicious about your partner having an affair and even find strong evidence, your partner may chastise you for the accusations and become upset that you do not trust them. Someone hiding their addiction may also manipulate you or the evidence and make you feel bad about bringing up the topic.