<prompt> A 20 year old man has presented with increased alcohol consumption and sexual indulgence, irritability, lack of sleep, and not feeling fatigued even on prolonged periods of activity. All these changes have been present for 3 weeks. The most likely diagnosis is -Alcohol dependenceSchizophreniaManiaImpulsive control disorder  <response>: Diagnostic criteria for maniaThree or more of the following for at least 1 week:-Inflated self esteem or grandiosity Decreased need for sleep Overtalkativeness Flight of ideas DistractibilityPsychomotor agitation or Increased goal-directed activitiesExcessive involvement in pleasurable activitiesComing to questionThis patient has for 3 weeks:-Decreased need for sleepExcessive involvement in pleasurable activities sexual indulgence, increased alcohol consumptionIncreased activity prolonged period of activityDiagnosis is mania. 