Shall I part my hair behind? Do I dare to eat a peach? I shall wear white flannel trousers, and walk upon the beach. I have heard the mermaids singing, each to each. (lines 122-124)
Now that he has completely failed to speak up with his question, he is left to worry even more about pointless aspects of his appearance. He considers a change of hairstyle and puts on fancy new pants for his trip to the beach. He focuses on his superficial appearance to cover up for the absence of deep feelings and emotions. And the only beauty he can see is imaginary, like the "mermaids" in the water.