one and a half hours: 950
two hours: 1100
three hours*: 1400
four hours (my favorite for new friends): 1700
*dates 3 hours or more REQUIRE some sort of the following: refreshments, food, social time (cocktail bar, dinner, a show,etc)
five hours: 1900
six hours: 2100
seven hours: 2300
eight hours: 2500