Astringent.

she twisted the top from her bottle and glanced toward the kitchen table where he sat. seeing the way his shirt was tucked in tidily, the way it was pressed and cleaned without a stray of wrinkle, she can't help but wonder what was it like to be him. what was it like to live in a world where everything was so orderly, every problem had a logical solution, every question a theoretical explanation. a world where everything was black and white, all shades of gray non-existed. it had been eons since she lived in that world, and now after all that she had experience, there is no way she could ever return. he continued to stare ahead, face stern, body instantly stiffened when he caught her looking at him, bringing his mug to his lips while peering at her from over the top.

しわの欠如。