
In mathematics, plus minus indicates a choice of exactly two possible values, one of which is the negation of the other. This is my interpretation of a couple trying to survive the insurmountable differences between them.
6.0
6.3
6.5
8.2
6.1
6.2
6.5
6.1
6.5
6.4
7.4
6.7
6.9
6.1
7.0
6.8
6.2
6.3