精神出轨
[jīng shén chū guĭ]
In Chinese culture, this phrase generally has a negative meaning, referring to infidelity or betrayal in a relationship from an emotional and spiritual perspective. It refers to situations where although a person does not have physical cheating, he or she is already 'cheating' in his or her heart, emotions or spirituality. People usually don't think very positively about 'infidelity'. This internet term expresses dissatisfaction with infidelity.