"That never happened; you must be imagining it." "Everyone agrees with me--you're overreacting." "Wow, what's it like to be insane?" If these sound like a familiar refrain, you may have been the target of "gaslighting," a term blowing up like, well, a lighter thrown into a puddle of gas. A form of emotional abuse, gaslighting is dominating  the headlines, is all over Twitter, and has been thrown around by everyone from pundits to columnists to late-night comics.

New legislation known as the Tax Cuts and Jobs Act became law on December 22, 2017. Starting in 2018, it affects virtually every U.S. taxpayer with dramatic changes including new tax rates, fewer deductible expenses, and a major modification to healthcare.

Our theme all this month is Healthy Habits and this week I spoke with behavioral economist and author Dan Ariely. Dan has spent his career trying to understand (and explain to the rest of us) why we make choices that are clearly not in our best interest. Things like buying lottery tickets and selling stocks when they lose value and, of course, eating things that we know are going to keep us from looking and feeling the way we want to. And, in fact, his latest project is one that focuses on helping people lose weight and get healthier.