Sunglasses: in the short term might make you more attractive, but in the long term will make you less attractive*
*unless the higher order effects of sunglasses that cannot be determined have an opposing effect of greater magnitude.
@then_there_was
Personal story: After lasik and being able to wear sunglasses, I feel like I had been habitually semi squinting my while life and slightly looking down at the ground. After a few months w/ sunglasses I hold my head higher now.