Love sickness

Love sickness is a non-medical term used to describe mental and physical symptoms associated with falling in love.

Historically, love sickness has been viewed as a short-lived mental illness brought on by the intense changes associated with love. Avicenna, a Persian polymath, viewed obsession as the principal symptom and cause of love sickness. This diagnosis has been out of favor since the humoral model was abandoned, and since the advent of modern scientific psychiatry.