self-satisfaction vs sunshine and rainbows

self-satisfaction

noun
  • A feeling of fulfillment or contentment with respect to one's own accomplishments or situation. 

  • The state of being excessively pleased with oneself; smugness. 

sunshine and rainbows

noun
  • Happy, positive things, sometimes with a connotation of unrealistic expectations. 

How often have the words self-satisfaction and sunshine and rainbows occurred in a corpus of books? (source: Google Ngram Viewer )