"
oh this is lovely, how did you come up with the idea?"
"
it wasn't my idea. i couldn't think of anything so i just posted on a message board for junkies and chose a suggestion from some stranger..."
"
oh. how thoughtful 
"
op, you know her better than anybody here. surely you can think of something she's told you or something you've done together which inspires a thoughtful idea?
alasdair