Obligar means "to force" or "to oblige." It's a strong verb that conveys a sense of powerlessness or a lack of control over a situation.
In "Historia De Amor," the singer repeatedly uses this word in the context of a lost love, singing "Que no puedo obligar" (That I cannot force) and "Yo no puedo obligarte" (I cannot force you). It highlights the painful realization that love cannot be compelled, making it a poignant and memorable word in the song's narrative of a love that came to an end.
This song, "Historia De Amor" by Grupo Legitimo, is a really heartfelt and a little bit sad look at a love story that's come to an end. The singer is directly addressing their former love, saying, "y quiero decirte mi vida" [and I want to tell you, my love], and even though they're no longer together, they insist, "siempre serás mi vida" [you will always be my life]. It's a powerful declaration of lasting affection, even in separation.
What really gets me is the sense of resignation and acceptance, mixed with a little bit of pain. The singer acknowledges, "no puedo obligar" [I can't force it], and believes their own "historia estaba escrita" [story was written] when their love decided to leave. Now, they're left with the difficult task of learning to live without them, saying, "debo aprender a vivir sin ti" [I must learn to live without you]. The repetition of "una historia de amor que llegó a su fin" [a love story that came to an end] and "una historia de amor que llevó a sufrir" [a love story that led to suffering] really drives home the bittersweet conclusion of this relationship. It's a beautiful, if melancholy, reflection on moving on after a significant love.