I think it's a good idea. I'm a non-smoker myself as well. It's one thing to subject yourself to it, but children shouldn't be.

With the window down, I don't think it'd matter, but lord, I know some people who are chain smokers, and were through their pregnancies. My neice has a perpetual "cold". Runny snotty nose, cough, the works. Oddly, when she's out of her mother and grandmother's place for even a few hours, it clears up.

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