Edited sentence: (At night alcohol and deep-seated, defensive hostility change this.Although some of the property owners are middle class or lower, most are unrefined middle-aged suburbanites who acquire vehicles -- motorcycles, wave runners, four-wheelers, SUV's, speedboats, and pontoons -- and children.Despite this, during the daytime the environment is atypically friendly.Except for the ban on burning during the summer, Three Rivers is effectively lawless, giving property owners the right to drive intoxicated and/or while consuming alcohol, discharge firearms carelessly, drive offroad, and occasionally become violent.The 247 acre gated-community is also known for its excessively sassy signage and equally excessive annual car show.Three Rivers is known mostly for its neavou riche culture