In Canada, a shot generally refers to the province's definition of a standard drink under liquor licenses. Although sizes may vary, most provinces cite amounts similar to Ontario's guidelines of 0.6 imp fl oz or 17.0 ml of pure alcohol. Since a shot is typically a spirit with 40 percent alcohol, this makes the shot 1.5 imp fl oz or 42.6 ml (though many establishments serve a standard drink of 1 oz). A double shot in North America may be either 2.5 or 3 fluid ounces.
Nevertheless, Duddy is the center of the story, and we are drawn to the challenges he must overcome and the goals he seeks to achieve. Foil-A foil is any character (usually the antagonist or an important supporting character) whose personal qualities contrast with another character (usually the protagonist). By providing this contrast, we get to know more about the other character.
Foil is that shiny stuff your mom wraps your tuna fish sandwiches in before she shuttles you off to school. Or that pointy thing you stab people with in fencing. Just kidding. A foil is a character whose main purpose is to offer a contrast to another character, usually the protagonist. Foils set off and accentuate the main character and are convenient ways to complicate and deepen the characterization of the protagonist. Basically, everything the foil is, the protagonist is not. The foil's differences highlight the key qualities of the main character.