" [...] she was more beautiful today than she had been as a young woman. There were faint lines about her eyes and her skin was no longer as taut and fragile as it had once been. Softness had crept into her features. Yet Leo loved these changes more than any ideal of youthful beauty or perfection. These were changes he'd witnessed: changes that had occurred while he'd been by her side, the marks of their relationship, the years they'd spent together [...] "
― Tom Rob Smith , Agent 6 (Leo Demidov, #3)