“We each have different fluid needs based on the size of our bodies, and our own needs can change day to day too,” she explains. During the summer, when temperatures rise, you’ll need to drink more water than on a similar day during winter. While eight glasses a day might be a “quasi” fact, drinking more than one glass a day is obviously the goal. A simple way to keep tabs on how much water you’re drinking is with a reusable water bottle marked with a millilitre volume indicator. And when you’re drinking too much water, it will be completely clear.”