I'm not a flashy guy, my daily attire usually consists of a pocket-t and jeans. Just keeping it simple. If I have a meeting or something more formal to attend to, I clean up well. I'm more interested with what's in the package than what it looks like. If you take the time to see whats inside, you may be pleasantly surprised.
If you do get me into a conversation I tend to become more engaged with big ideas, rather than small talk. I get distracted easily, so topics with more layers of thought and discussion are more likely to keep me engaged. I try really hard to engage in small talk when it comes up, but I don't think I do it very well.
I take a little more time before considering someone a friend. But those that have become that close to me can tell you that I am completely loyal after that point. I personally don't find the enjoyment of being surrounded by lots of people that I barely know. If you would rather hangout with 50 people you only kind of know, than 5 you know well, we will not click.