He hopped off and let her pass, boarding it again and following her at a distance. As soon as they were out of the business district, he began to edge closer.  
A few blocks from the Shelter she got off the belt and waited, turning around and smiling directly at him. In the interim her attitude toward him had changed, evidently—for the better, as far as he was concerned. He couldn't ignore her and didn't want to. He stepped off the belt.
 
"Hello," she said. "I think you were following me."
 
"I was. Do you mind?"
 
"I guess I don't." She walked along with him. "Others followed me, but I discouraged them."
 
She was worth following, but it was not that which was strange. Now she seemed composed and extraordinarily friendly, a complete reversal from last night. Had she learned something during the day which changed her opinion of him? He hoped she had.
 
She stopped at the edge of the Shelter area. "Do you live here?"
 
Learned something? She seemed to have forgotten.
 
He nodded.
 
"For the same reason?"
 
His throat tightened. He had told her all that last night. Couldn't she remember?
 
"Yes," he said.
 
"I thought so. That's why I didn't mind your following me."
 
Here was the attrac............