When most people think about cheating, they most often think about physical acts with another person. That is a clear, hard boundary in most romantic relationships that people know not to step beyond. Where boundaries get fuzzier is when other kinds of thoughts, feelings, or actions cross the line. With the vast majority of people disapproving of infidelity, finding it unforgivable (Gallop Poll, 2025), understanding where those boundaries are is important. Let's dig into what