PainPoint {
  name
  description
  impact: 1..10      // how much this hurts when it happens
  frequency: 1..10   // how often this happens
}

UserStory {
  name
  description
  painPoint
  // The following is equivalent to:
  // priority = painPoint.impact * painPoint.frequency
  priority = painPoint ~> impact * frequency
  functionalRequirements
  mockups
  phases
}