You cant go wrong with giving her chocolates, unless of course she's lactose intolerant, in which case go for flowers, unless she's got allergies. I think you may be worrying over nothing, in a weeks time it will hardly be an issue, so you spewed in on her antique fireplace or whatever, remember the immortal advice of Messrs' Wayne and Garth
"If you blow chunks and she comes back, she's yours. But if you spew and she bolts,it was never meant to be."