[bamie9l]

I'm sure its the cats, but you might want to get a Carbon Monoxide detector just in case: https://np.reddit.com/r/legaladvice/comments/34l7vo/ma_posti...

[devonkim]

I hardly ever get headaches and I have three CO detectors in the house that I changed the batteries and tested when I moved in, but I didn't know about the symptoms of CO poisoning in non-lethal doses.