introverted vs stuck on oneself

introverted

adj
  • Thinking about internal or spiritual matters. 

  • Of or characteristic of the personality of an introvert: thoughtful, reflective. 

  • Arranged so that two similar words, lines, etc. form the middle of the structure. 

stuck on oneself

adj
  • self-obsessed; vain 

How often have the words introverted and stuck on oneself occurred in a corpus of books? (source: Google Ngram Viewer )