[Thrilled, his smile warmed.]

Looking forward to it already! Perhaps in doing so, we will literally enjoy the fruits of our labor as well.

[He couldn't help looking out his window. The trees were there, but not signs yet of any fruit. He rubbed his chin.]

...The things I'd read on orchards and gardening so far seem rather straightforward, at least. But fruit powered by merriment... I had the thought that it sounded rather like dynamis.