Here's a one-question IQ Test to help you decide how you should spend the rest of your day.
There is a mute who wants to buy a toothbrush.
By imitating the action of brushing one's teeth, he successfully expresses himself to the shopkeeper and the purchase is done.
Now, if there is a blind man who wishes to buy a pair of sunglasses, how should he express himself?
He opens his mouth and says, "I would like to buy a pair of Sunglasses." (Verbally)
If you got this wrong, please turn off your computer and call it a day.