This is a clever song, reminds me of the surprises 10CC use to do in their songs. There are a few nice twists in the arrangement, and the mix is overall nicely balanced and equal. Maybe changing things in the mix along to the arrangement would make it even more interesting. The 'spoken’vocal much different , the synth more upfront when it is coming in. Hope a am making myself clear enough on that. It is really worth to mix this song in an different surprising way.
regards
Peter 