Some more advices:
1). when you start to work in your new company, especially the first 6 months, always assume others would treat you as an ordinary person and you yourself should do the same thing.
2). Listen carefully, take notes if necessary, and memorize things that are important or could affect you.
3). Don't speak too much. The less the better, unless you absolutely need to do so, such as defending yourself -- which never hesitate to do so