Looks are both genetic and due to environmental or life factors
Yup. And we have zero control over our genetics and very little control over life factors. Hence our looks provide almost no information about who we are.
Life factors such as alcohol, lack of exercise or smoking can affect the way a person looks
You can tell someone smokes or drinks just by looking at them? Or are you assuming again? Did you know not every overweight person overeats or doesn't exercise? Weight gain can be caused by medication or medical conditions.
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