How do the houses work in astrology?

Everyone's chart is unique, including yours. It would take a long time to explain all about the houses and the other questions you ask but basically, each house represents areas of your life (chart) - home, family, career, personality. Aquarius Asc and Gemini sun are both air signs which could denote that you tend to be a thinker - working from thoughts rather than feelings. Quite a forward thinker, innovative, etc. I see you have no planets in the first house. When people first meet you, they see your Aquarian side, UNTIL THEY GET TO KNOW YOU, and you are quite different underneath with that Gemini sun. Incidently, relationships for you seem to be slow to get off the ground, and can be quite turbulent at times. It is important that you are in charge.......so to speak. Hope this is helpful, but it is difficult to interpret most factors without seeing the whole chart! Good luck.