Your bathroom habits are a major part of you too, but that doesn't mean you bring them up in normal polite conversation. People aren't interested in hearing about your work (especially if it's in tech and they are not) just like they aren't interested in many details of your life which are very important to you. Your goal in social interaction should be to find common ground, not force people to want to talk about what you want to talk about.
The answer to number 2 is to be more than your job. To leave work /at work/.