Grandpa and grandma were devoted to each other their whole lives.
Tips
usage
恩爱 specifically describes romantic love between spouses or partners. It implies deep mutual affection and care, not just passion. Often used with 夫妻 (husband and wife).
culture
The phrase 秀恩爱 (to show off affection publicly) is widely used on Chinese social media, sometimes with a teasing or envious tone.
