It's a jinx that renders the victim mute, unless he/she serves the purpose of the jinx and kisses the person that they desire. It's just Harry's luck that he's in love with Draco. HPDM, oneshot, eighth year.

Yet another one of those Harry And Draco Are Forced To Be Together By Something Beyond Their Control And Then Stuff Happens Leading To Twoo Wuv stories. Because every HD writer has to write at least one. [Finished]