According to the bedside clock, Richard's introductory lovemaking session with Becky lasted 2 minutes, despite his earlier claims to being a fantastic lover.
The car the Patrick Warburton character drives is a 1960 Buick Invicta convertible (probably only about 10,000 were ever made), and not to be confused with the very similar 1960 Buick Electra or LeSabre models - which are difficult to differentially distinguish via exterior views of those cars. (An identifying frame can be found at 38:29 in the movie.)