Chris Brown:   You know what I'm thinkin'   You know that its you,   But some things need perfection,   Unlike you,      Chris Brown and Rihanna:   So why am I so in love?   Your the best thing in my life and always will be      Rihanna:   I'm so glad your mine,   You mean the world to me,      Chris Brown:   Your like a summers day,      Both:   I asked for your love,   you gave it to me,   I needed your trust,   the same as can be,      Rihanna:   I thought I would lose you,   but I knew i was wrong,      Chris brown:   So why did it have to happen,   when you sing this song,      Both:   I know my mistakes,   so light as a dove,   i learn from them all,   why am i so in love,      Rihanna:   'coz i need to know,   whats in my heart,      Chris Brown:   Like a love,   In my love chart,      Chorus    Both:   I asked for your love,   you gave it to me,   I needed your trust,   the same as can be,   Repeat chorus      Both:   My love is strong,   why am I so in love?