Or they’re advising you not to be half-hearted. Perhaps this is a better explanation.
Let’s talk about colors and the idioms which are related to the colors.
Different weather conditions represent different moods and we observe this phenomenon in everyday life.
It's a feeling that you have everything you want in the world all to yourself.
Top brass means officials at the very top. The brass stands for the company's bosses as a group.
Our heart is a strange organ! It sinks, it aches, it breaks, it even melts sometimes and of course it beats at all times.