one and a half hours: 750
two hours: 900
three hours*: 1200
four hours (my favorite for new friends): 1500
*dates 3 hours or more REQUIRE some sort of the following: refreshments, food, social time (cocktail bar, dinner, a show,etc)
five hours: 1700
six hours: 1900
seven hours: 2100
eight hours: 2300