kick the habit vs pack in

kick the habit

verb
  • To recover from or quit an addiction or habit. For example, to quit smoking, drinking, or drug addiction. 

pack in

verb
  • To give up, to quit. 

  • To include (especially of a large amount). 

  • To transport to base camp, especially by backpack. 

How often have the words kick the habit and pack in occurred in a corpus of books? (source: Google Ngram Viewer )