Lyric discussion by myhotelyear 

Cover art for Glow lyrics by Alien Ant Farm

Yes the chorus is a sexual inuendo but this isn't about what king nothing says, the "light" is something totally different. The line: "I can't believe I'll be bright for another" means another girl is going to be turning him on "with the girl that's in your place" obviously he's in a new relationship but still thinking of the old girl