Lyric discussion by miradahl 

Cover art for This Night Has Opened My Eyes lyrics by Smiths, The

I think the song is about a young girtl who recognises she got pregnant. She's kicked out of home and her lover doesn't wants to help her. So, the only way to save her life is to get rid of the baby. Is it good or bad - it doesn't matter, cuz it was the only way to survive, but this situation got her out of the dreamy world of childhood to the cruel adult world.