I Did It For You Lyrics

Lyric discussion by kirotourmaline 

Cover art for I Did It For You lyrics by Westlife

Does anyone know what was meant by this song?

I can't work out what this is. It feels like a love song, or at any rate a song about love-- though not necessarily romantic love. But I can't think of any appropriate situation for these words to be spoken... some sort of irreversible, sad, yet loyal decision?