Attention is a limited resource, but some people have more of it than others. Paying attention to how you dress is a signal that you're generally attentive, jus

Attention is a limited resource, but some people have more of it than others. Paying attention to how you dress is a signal that you're generally attentive, just as driving a nice car is a way to show that you have lots of money--even though you spent a bunch of it on a car.