He tiptoes to come close, and deliver a surprise. He grunts to express disinterest or disappointment. He slurps with a look of satisfaction, on the dining table.
He hammers and nails, to fix things around the house, even if it disturbs my writing. The whirr of the car engine reflects his mood for the day. He belts out a romantic number while driving, in his not-so-melodious voice. I prefer the radio instead.
His voice softens, almost breaking down, on hearing that his father is now terminal.
I know my spouse, more through the sounds he makes, than other expressions.