|Picture by Tom Simonyi. Posted with permission.|
I could think of no better way to try to convince her, under the circumstances, than to post this picture. This tree is a Key lime (Citrus aurantifolia) that belongs to Tom Simonyi of Morgantown, WV. It was Tom's first bonsai ever, and he's been working with it for over 25 years now.
If you would like to see earlier images of this tree, and know more of its history, please visit these two links: Never quite finding the key to key lime, and Key Lime transition.
The first one gives the earlier story of this tree, the second is up-to-present-time. Bonsai Vault will require you to register (for free) to see the pictures, but if you're interested in bonsai (and especially if you're interested in tropicals,) I think it's worth it.