Draco runs into Harry's "ex-wife" at the bar and then comes Harry and Ron. After walking Draco home, he says some very unexpected words to Harry and that's when their true feelings are shown.
**COMPLETED
A potion's mishap thrusts Draco and Harry together and binds them until a cure can be found. Despite hating the man... Harry finds something akin to attraction starting to form.
Well, they always did say love thy enemy. Or neighbour. Honestly, it doesn't matter.