The article recounts a personal story in which the author says a friendship ended when the author was 13 and attending boarding school. According to the piece, a friend wrote a note stating she could no longer be the author’s pal. The author says the friend blamed jealousy for the rupture, adding that the friendship was bringing out “the worst” in her. The article then uses that experience to outline what it presents as common signs that friends may be envious of someone. It frames the discussion around the idea that envy can affect how people act toward one another, even in close relationships. The sources provided focus on the same anecdote and the same overall message, repeating that the author did not understand the reason for the fallout until later, when the author says their daughter explained the situation. Overall, the content is presented as personal commentary and advice rather than independently reported evidence about specific individuals or verifiable events.