[FormulaMMM]

I say share. Doesn't sound like she'll be contributing that much to the wear and tear. If she's in control of her right foot and psychologically, then the front engine, high hp configuration isn't a problem either.

Unless what's really going on here is you're concerned she might end up with the faster lap times. I can understand that. my wife would talk shit until I'm 6' under. If that's the case, then detuned Miata it is.