In the first widely shared account, a woman described how her sister’s friend would stroke her boyfriend’s arm and shoulder, ...

Jealousy, an emotion as ancient as human relationships themselves, can manifest in various ways within romantic partnerships. While some might initially view it as harmless or even flattering, ...

When jealousy erupts in a relationship, whether from a man or woman, ignoring it can lead to deeper problems. These emotional outbursts often signal underlying issues that need addressing, and ...

Convincing a jealous partner that they have a mental illness sounds like gaslighting, but to JAMA Psychiatry, it's science.