Characters
Lucas was my gangrene-infected, amputated limb.
— Brooke • One Tree Hill

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker likens a person to a limb so infected it had to be cut off. The metaphor frames the loss as painful but necessary, a diseased part removed to save the rest, and it voices bitterness about how damaging that person became.
Context reviewed