What is the origin of the idiom "love somebody or something to death" and when to use it?

The origin of the idiom "love somebody or something to death" likely developed from the notion that love can be so overwhelming and intense that it feels as if it could last forever or even beyond death. It is a colloquial and informal expression used to emphasize an extremely strong affection, attachment, or devotion towards a person, object, or activity. It implies a deep emotional connection or fondness that surpasses ordinary feelings of love.