Then I'd have to have a turbo tyre on my road bike, and swap them all the time, or have two wheels. And Mrs Sparky would need to do the same.
Or have a single dedicated cheapo turbo wheel that you can drop into both of your bikes?
(assuming you'll be on the same speed drivetrain, etc)
I used to do that as well and even that became a burden to using the turbo so I sold it.
Remove as many obstacles to training as possible.
@pifko started
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Then I'd have to have a turbo tyre on my road bike, and swap them all the time, or have two wheels. And Mrs Sparky would need to do the same.