Have you ever thought you smelled gas or a burning smell but couldn’t find the source no matter how much you tore apart your home to find it? And because it’s something that could be life threatening, you keep smelling it – long after you’re mostly certain that you were imagining it? Only to later find out that there really was something wrong? Last year, I was visiting a friend’s new home and I kept smelling gas in their kitchen and occasionally, outside their house. It got so bad that I finally mentioned something to them. I felt a little embarrassed, but hey, it’s gas. You don’t want there to be some type of explosion and you could’ve done something about it. I prefaced with the caveat that I could totally be making things up, but since it’s free to ask the gas company to come and check it out, no harm, no foul. Turns out,…