How could I have been so stupid ?

I should have known it all along
How could I have been so stupid?
I should have known that every word was a lie
You actually made me believe everything you said was true
You know the guys that every momma tells their little girl to look out for?
Well, you were one of those guys.
I can't believe I fell for you, and loved you after all that you did to me.
Every word that I said was true, but for you I can't say the same.
You told me she meant nothing to you, that you would never choose her over me.
How could I have believed you?!
How could I have been so stupid?
I killed myself for thinking of being unfaithful,
but I didn't realize that you were toying with my love.
Please stop doing this to me
Stop messing with my mind.
It's like a knife stabbing my heart, like a bullet through my head.
I brought tears to your eyes, but that's nothing to the rivers you brought out of mine.
I dented your heart, but that's nothing to the way you shattered mine.
After it all, I loved you Still.
How could I have been so stupid?