act of love

Translations
акт любви
Cooking dinner for her every night was an act of love.
Готовить для нее ужин каждую ночь было актом любви.
Definitions
An act of love is a behavior or gesture performed with the intention of expressing care, affection, compassion, or selflessness toward another person or being. It often involves putting someone else's needs or happiness above one's own.