This phrase is not literal but emphasizes extensive involvement or dedication.

Metaphorical Use

Use it to express strong emotional attachment and enthusiasm for an activity or subject.

Emotional Intensity

Can be viewed negatively if it implies neglecting other aspects of life.

Reflects how a passion can define someone's identity or background.

Suggests a long-term, possibly lifelong commitment to an interest or activity.

Indicates that the activity or interest holds priority over others in that person’s life.