Definition. 1  Lactose intolerance refers to the inability of the body to digest lactose. 2  Lactose is the form of sugar present in milk. The enzyme lactase, which is normally produced by cells lining the small intestine, breaks down lactose into substances that can be absorbed into the bloodstream.
1 Tipping upon drop-off of your car is totally optional and is not done by the majority of drivers. Tip your valet when your car is returned to you from the parking lot.  A tip of $1 to $5 is the typical range, with $2-3 being most common.
1 The larger âstretchâ limousines cost $100 an hour and up. 2  A stretch limo such as this costs $150 to $175 per hour and seats 6 to 8 people. 3  SUV limos cost $125 to $175 per hour, with Cadillac Escalades are the most common rental for this class, which seat 5 to 6 persons.