4.
This domestic dispute:
6.
This struggle from the '90s:
7.
This perfectly petty payback:
8.
This frustrating group of humans:
9.
This situation at the checkout counter:
10.
This annoying obligation:
12.
This existential question:
13.
This daily/weekly/monthly tradition:
15.
This specific type of nostalgia:
16.
This honest question:
17.
And this practical use of math: