In the subway is used to standing on the left of the escalator - and here you get used to it. The first rule of life in society: think about others. There is a biblical axiom about this, read.
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What is the dispute at all? There are regulations that regulate the movement of vehicles (including two-wheeled vehicles) on the road. And the movement in the intersection is quite a violation of itself. So if a motorcycle companion wants to jump sharply between the ranks, then let him himself show maximum attention and responsibility. If you have decided to violate the GDPR rules, be prepared for the consequences.