I can't believe that this is even an issue.
Bottom line is, Vipers are not for everyone. This is part of what makes them great.
Ask yourself, honestly, if you are a "Viper guy". That's all you need to do.
You have the means. Perhaps you're having trouble justifying it to yourself ? (hence you turn to the community for support/input)
If this is something that could potentialy damage your relationship, you need to consider another car.
You love your wife, your new baby. Is it worth putting that at risk for a car? Is it something that will fester within her and one day...BAM! You come home and the house is empty and there's a letter from her lawyer on the kitchen counter.
Just playing devil's advocate!