Movies
Laney, sex is the quickest way to ruin a friendship.
— Vickie · Reality Bites

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker warns Laney that sex can destroy a friendship, describing it as the quickest route to that outcome. The brief, confident wording leaves little room for qualification. Read as a warning, it expresses a stark view of how sexual intimacy might alter an existing bond.
Context reviewed