Dave is driving to a call right now.

  The customer called this morning. Said her system wasn't cooling ΓÇö then said what Dave hears more than you'd think: "I   just know it's going to be something major." He hasn't pulled into her driveway yet. He hasn't touched a gauge. She's already decided.

  After 45 years, Dave has a name for this kind of person. He knows why they do it, why telling them it'll be fine makes it worse, and what actually quiets the disaster movie running through their head.

  He's pulling onto her street as this episode starts. He doesn't know what he's going to find. But he knows exactly who he's about to meet.