And here's a nice thematic intro from 1/2's Justice Richman:
Disputes between neighbors can be among the most prolonged, petty, and downright nasty of all litigation. (See, e.g., Griffin v. Northridge (1944) 67 Cal.App.2d 69, 71–73.) Such disputes can become notoriously bitter, sometimes even providing the
motive for murder. (See People v. Garcia (2005) 36 Cal.4th 777, 782–783.) There was
no murder here. But it sure was petty and nasty—at least on the part of [plaintiff/appellant].