Great job on getting going!

My only advice is that remember how it feels when you are in a car and someone is holding things up in front of you while you are trying to get somewhere, be it an inconsiderate driver going really slow, a tractor trying to get to their field, or yes even a bike going somewhere. Remember that just because you have a legal right to be on a road doesn't mean it's a good idea. Us commuters need to be as considerate to people as we want them to be considerate to us.

Having said all that and assuming you WERE being considerate, some people (cars, bikes, etc) are just jerks. Burns me up bad just like it did you.