Now most of us would be embarrassed to admit to feeling jealous. And most of the time, we wouldn't even realise that we're feeling jealous. But jealousy happens to the best of us, and when it does, it just creeps in, eats away at us and tastes sour. It makes us overreact, misinterpret and assume things. Simply put, jealousy is toxic; it doesn't look good or feel good.