self-love vs self-obsession

self-love

noun
  • Excessive pride or vanity, overvaluing the self. 

  • Regard for oneself; love of oneself. 

  • Masturbation. 

self-obsession

noun
  • preoccupation with self; egocentrism; selfishness 

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