Italophile, a bit of a strange question, but does a plants smell mean anything?
Let me explain, I still have a few of my tomato plants indoors upstairs, and every so often, when walking upstairs, I get that wonderful tomato plant smell, like when they've just been watered, but other times I don't. I wondered if it meant anything, you know, like a plants way of telling you something?
They've never been fed with anything, just been watered, and not flowering yet, so I just leave them in the lightest spot and check on them daily.
I realise reading that question back you may think I'm slightly bonkers, but hey, humans give off odours, so why can't plants!! 
Thanks
Becks.