Final answer:
Lisa rushes him out the door due to an urgency or situation that demands immediate action, possibly because of danger, secrecy, or time constraints, but the exact reason remains unspecified without further context.
Step-by-step explanation:
It is implied that Lisa rushes him out the door due to an urgency or predicament that demands immediate action or escape. The reason for this haste is not given in the excerpts provided but could be driven by a myriad of factors, including danger, the need for secrecy, or to avoid an impending problem. This sense of urgency is a common literary technique used to build tension or to move the plot forward quickly, and it can be seen in various forms of literature and drama. Characters may rush one another due to external threats, emotional turmoil, an effort to evade detection, or because time is simply of the essence. Without more context about the situation Lisa is in, one can only speculate as to the specific cause of her haste.