artist/song title?!! plzzzzzz

Hi all, need help in identifyin the artist/song title... the song's been hauntin me 4 ages..guess it's very old or maybe 4gotten one.. it goes like this..actually starts like this " How can i live...if your gonna leave..I'll surely cry without you.. blah blah blah. And there's another song.. all i can remember it starts like this " I am blind I am blind I am blind I am blind.. i can't see wihout you blah blah blah" I'd appreciate ur help..thanks.

srry i dont know