Obsesión translates directly to "obsession" in English. It's a strong and evocative word that immediately conveys intense feelings.
In the song, Belinda sings, "Eres mi obsesión" (You are my obsession), highlighting the depth and consuming nature of her feelings for the person she's singing about. It's a powerful declaration of love that goes beyond simple affection, making it a memorable and enticing word for learners.
Belinda opens with the question the whole song circles back to: "Quien es feliz" ["Who is happy"], "Yo lo fui una vez" ["I was once"]. Happiness here isn't abstract, it's a person: someone she stood next to, someone whose absence now defines every room. She doesn't rage about it. She just states the facts, almost too calmly, the way you talk about a loss you've already gone over a hundred times in your head.
The chorus is where the song actually hurts: "Me distes un amor intenso que perdí" ["You gave me an intense love that I lost"], and then that quiet, stubborn refusal to move on, "Recordar cada instante, y será como antes" ["To remember every moment, and it will be like before"]. She knows it won't actually be like before. She says it anyway, twice, because that's what missing someone sounds like when you're still inside it rather than looking back on it.