Rose Tyler feels that The Doctor isn't giving her 100% of his love. The Doctor sings about his love for Rose: She is the one who makes him whole.
Video from the British Science Fiction series, Doctor Who. Mostly from seasons 1 & 2, but also from 3rd season and several clips from the original series. Music: "8% of My Love" from a segment in the late 80's / early 90's PBS show, Square One Television