You have it right, yeah. (Glad the instructions weren't too smudged. George was eating chips while writing them out, and yeah, the parchment got a bit greasy there.)

You're right, the heart's true desire potion does look awful. We're working on that. But at least they're both easy to disguise in a drink (and the grey-sludgy one in food). As for getting your victim to ingest it, we suggest serious distraction. You're a Weasley; we're sure you can figure it out.