Lyn: I'm really not looking forward to the summer heat.
Rob: We can wallow in dread. Or we can optimize that which we control.
Rob: Example: What is the optimal hair length?
Rob: Short hair maximizes breeze sensation and allows one to splash one's head with cold water at any time without significant alteration to appearance.
Rob: Long hair can be wet for long-lasting evaporative cooling.
Rob: It also serves as insulation, but is that good or bad?
Rob: And the how much does it depend on hair color?
Lyn: Is this seriously how your mind works?
Rob: Further research is warranted.