it ends with a fall歌詞

Babyface - With Him
So you never meant to hurt nobody.
Well, I think you're full of it, yes,
Cause if you really really didn't wanna hurt nobody,
You wouldn't have slept with my best friend, baby.
And to bring insult to my injury,
You weren't a bit discreet,
And while the world stood witness,
To my embarassment.
You put a knife inside of me.
How could you fall in love with him?
How could you give your heart to him?
Thought we'd grow old, as lovers,
Together til the end.
How could you fall?
Fall in love, with him?
I know we've had our ups and downs,
And that I do admit, yes,
But sometimes lovers go astray,
But you made it permanent.
Well, I can't be that understanding, no.
My heart's just not that big, no it ain't.
I can take the pain of infidelity,
But I can't take you with him.
How could you fall in love with him?
How c