Euphoria, that is, abnormally elevated mood, inflated self-esteem, extravagant gift giving Tearfulness Loss of concentration and difficulty sleeping Lack of appetite Stress - high blood pressure, pain in chest and heart, acute insomnia; sometimes brought on by a "crush" Obsessive–compulsive disorder - Preoccupation and hoarding valueless but superstitiously resonant items psychologically created physical symptoms, such as upset stomach, change in appetite, insomnia, dizziness, and confusion.