Most people think this(myself included) Because the Metric unit of measurement is much easier to follow than the English unit of measurement because there aren't many decimals and half number they are whole number that can be added and subtracted easily. Answers will very and this was just my belief so I hope it helps.
Flow most likely arises when one's activity entails a balanced ratio of A) skills to challenges, I believe.
Both have the right to own property, bear arms, and freedom of religion