Answer:
Liz, who could always make people laugh, was loved by the whole block.
 
        
             
        
        
        
Time's fool is referring to any concept that becomes lost in time. Love is an intangible and uncontrollable feeling, yet is felt instantly and does not waste time to be present.
        
             
        
        
        
The author's main purpose was the explain that the Community Service Council was effectual to high school students. The personal backstory was to add more evidence of the effectiveness.