Quick answer (snippet): Unmet sexual needs can increase vulnerability to cheating by triggering a predictable sequence of psychological and relational shifts — from sexual frustration to emotional drift and, in some contexts, to an affair.
TL;DR: Low libido is a relatively broad drop in sexual desire often linked to hormones, medication, illness, sleep, or mood.
A concise guide to spotting emotional distancing that often precedes infidelity, with practical tracking tips and next steps to protect your well-being.
A concise guide to whether your relationship is drifting or you’re being emotionally dismissed. Use the three-question triage and short experiments to choose next steps.