Waiting for the flushing toilet, the water heater, the thermostat and forced air cooling, the toothbrush and toothpaste, mouthwash, dental floss, the washing machine (even a mechanical one circa 1920), modern style paved and drained roads, plumbing, waste treatment and water purification, antiseptics, anti-inflammatory drugs, aspirin, tempered glass, and all sorts of other things people take for granted.