Females have more color receptors. Males have more black and white receptors. The trade off for less color sensitivity is ultimate sensitivity. Men don't need to use a flashlight to get to the bathroom at night.
Always let her pick out the paint color.
Rods and cones. Remember your psyc101 material, folks.
Females have higher cone count = better color differentiation. Males have higher rod count = better low-light ability.


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