Because if you spend too much time finding/opening/chilling your alcohol, you won't have as much time to drink it.
Keep your pitcher cold yet undiluted with a plastic cup of ice.
Source: instagram.com
Or the bottom half of a two-liter bottle.
Just cut the plastic bottle in half, fill with ice water and garnishes, and put in the liquor bottle.
Source: sassychicagobrides.com
Or in salted ice.
This'll get your beverage cold in a hurry.
Source: instagram.com
Or with frozen grapes.
Source: cheezburger.com