The difference in our paces.
Alone, I walk purposefully, find what I came for, check out in the express lane, arrive home in just a few minutes.
Together, we walk in slow motion, stop in the parking lot for a cigarette, cruise the aisles deciding what to get, wait through the long lines, stop in the parking lot for another cigarette, walk in slow motion again, a leisurely process that takes an hour at least.
She enjoys the process. It makes me frantic and angry to move so slowly.
Some people are better matched than others.