How much experience and judgement is needed to believe that pursuing Matthew down the road, overtaking inconsiderately and making threats of violence is appropriate behaviour? Approaching the age of 40 I worry that I may not have many years left before I have to kill myself, if that is the otherwise inevitable outcomeIt is possible to look at the traffic coming from two different directions, and make a judgement call on that. He was no spring chicken, and would have used his experience to judge whether he could make the gap without causing significant risk to others.