Pretty much every human on Earth has experienced...
9.
The time double-check:
11.
The hidden hill breathing:
12.
The quadruple overpack:
13.
The immediate ignore:
15.
The most extreme sport:
20.
The synchronized breathing:
21.
The super-stupid question:
26.
The sacrificial sleep:
27.
The worst sight to behold:
28.
The security anxiety:
32.
And the ol' towel excuse: