Everyday when I go sketching I see a lot of repetition in how people dress and walk. This is great because now I'm amazing at getting down a winter coat in about 15 seconds, and it also pushes me to look even harder and find the more subtler differences in people. One thing that is odd/sad that I have noticed is that there is almost ALWAYS one old man walking very slowly with his head down amongst the crowd of fast moving chatty 20-somethings on their lunch breaks. What is up?!? And no, its not the same man every time either! Call your grandfathers everyone and make sure they are ok!