Mt. Aspiring National Park, NZ
Another aspect of friendship is the joint lexicon a group develops over time. Shared experiences become stories, stories become jokes, jokes become catchphrases and so on until it gets to the point where simply mentioning the last name of a high school teacher will bring smirks, smiles or groans of anguish from the right circle of people while making absolutely no sense to anyone else.
The longer one stays with a given group, the more detailed this secret language becomes. By extrapolation, one can easily concede that in 11+ years of exclusive relationship (8+ of actual marriage) quite an expansive vocabulary would develop. We bring this up, dear friends, to issue you fair warning:
If either of us ever describe an activity you are about to join us on as “Kiwi moderate” run away quickly.