Look-Alikes

I share an apartment with my sister and her boyfriend. This is not the awkward story, just a little bit of background. Throughout my childhood, no one ever (to my knowledge) would have believed that my sister and I were twins. Because we aren't. We're two years apart and... we look different. Her hair is darker, her face is a different shape, she is taller, etc... The only thing that people remarked upon were our big blue eyes, which told people we must be sisters. I remember my bus driver commenting on this very thing.
However, in recent years, and when we went to school together, we must have grown to look more and more alike. My sister's friends would sometimes start talking to me, believing I was their good friend, and my own friends did the same when they saw her around campus. It's one thing when a stranger thinks we look like twins - - they aren't looking at our faces day after day, so maybe they don't see the more subtle differences. But when our close friends began to confuse us?? It took me a while to get used to the idea that we look alike (at least to other people). For a while, though, if I saw one of her friends from a distance, I tried to avoid an encounter with them, I guess to spare them any confusion. That got a bit awkward.
Now to the current day: my sister has lived in this apartment for two and a half years, while I have only been here for 4 months. A few days ago, it snowed overnight and our town established an overnight parking ban for the roads. This meant that one of our downstairs neighbors, who owns an oversized pick up, decided not to move his truck to one of the town's parking garages as he was supposed to, but instead decided to put it in the parking lot behind our apartment. Each apartment in our building has one spot back there, and this neighbor's spot is taken by his other, smaller, car. Therefore, this man chose to park his car in the middle of our small lot, parking in 4 other vehicles, including my sister's boyfriend. The two of them leave for work every day at 7am, and this day was no exception. Except that when they got outside to the car, they found themselves blocked by this stupid truck.
At that point, it was too late to knock on the man's door, wake him up, and ask him to move his car, because it would have taken a lot of work to brush the snow of his car and maneuver the vehicles back there. So my roomies had to walk 40 minutes in the snow to work, where they arrived later than they needed to. I was appalled when I learned of this behavior, because it is just so un-neighborly to assume that your needs are a higher priority than others! Not only did he park in all of these people, but I myself had to move my car to a parking garage because we only have the one spot in back of our building, which took time and money. Why should this man get to park for free right behind his house if I can't?
Anyway, my sister called our landlord, who sorted things out by calling our neighbors up and asking what the situation was. I guess he figured that it wouldn't matter to anyone if he parked there, because there was so much snow that no one would be able to get out anyway. (Might I add that he is the person in charge of snowblowing the parking lot? Why wouldn't he snowblow so that people could get out instead of decreasing their chances even further by putting his truck there?)
So I guess the man and his wife felt bad by their behavior and wanted to apologize. I myself was home that day, and when I went out for a bit, I saw the woman outside the building. I was on the phone, but I said good morning to her as I passed by. She tried to say something to me, but I figured it was just "Hello." However, later that night, my sister got a call from our landlord so he could explain what the neighbors had told him. He also said, "The woman saw you this morning and tried to apologize/explain to you, but you just walked right by her. What's that about?" And my sister had no idea.
I had a good idea what it was about, though. She mistook me for my sister, who she was surprised to see after the landlord told her that she and her boyfriend both had to walk to work after being parked in. When I walked past her, ignoring her attempt to apologize, I am sure she thought that my sister was more upset than she actually was. Oops. She probably had no idea that they even had a third roommate, and if she did, she certainly did not know that it was a look-alike sister.