April leaves her new sports car in Damon's garage while April is on vacation in Europe.

April leaves her new sports car in Damon's garage while April is on vacation in Europe. Damon allows this out of friendship, as a favor, and agrees not to drive the car although April gives Damon the keys. Damon can't resist taking the car for a drive and is being extremely careful when the car is hit by a drunk driver. Discuss Damon's liability, if any, for the damage.