Don't take anything for granted.. When riding near intersections Expect someone at a stop sign to not see you and turn left in front of you, And in high traffic areas cover your front brake with two fingers to quicken your reaction [stoping[ time...
Theres a lot more i can say, And someone else can add to the list....And to tell the truth , There isn't a month that gos by that something new doesn't come at you that you seen [happened] before...