Love to code, not sure why as head, brick, wall... you know those moments! =)
Anyway I think for me it's making life easier for people and problem solving really fires me up. Plus I have a habit of trying to find the best or most efficient way of doing things.
Paul
SOreadytohelp
Stack Overflow
Q&A for professional and enthusiast programmers
Super User
Q&A for computer enthusiasts and power users
Motor Vehicle Maintenance & Repair
Q&A for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles
Information Security
Q&A for information security professionals
Database Administrators
Q&A for database professionals who wish to improve their database skills and learn from others in the community
Web Applications
Q&A for power users of web applications
Software Engineering
Q&A for professionals, academics, and students working within the systems development life cycle
Area 51
Q&A for proposing new sites in the Stack Exchange network
Skeptics
Q&A for scientific skepticism
The Workplace
Q&A for members of the workforce navigating the professional setting
Pets
Q&A for pet owners, caretakers, breeders, veterinarians, and trainers
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Joomla
Q&A for Joomla! administrators, users, developers and designers
English Language Learners
Q&A for speakers of other languages learning English
Academia
Q&A for academics and those enrolled in higher education
Software Recommendations
Q&A for people seeking specific software recommendations
Personal Finance & Money
Q&A for people who want to be financially literate
Worldbuilding
Q&A for writers/artists using science, geography and culture to construct imaginary worlds and settings
Sitecore
Q&A for developers and end users of the Sitecore CMS and multichannel marketing software
Movies & TV
Q&A for movie and TV enthusiasts
Astronomy
Q&A for astronomers and astrophysicists
Quantitative Finance
Q&A for finance professionals and academics
Salesforce
Q&A for Salesforce administrators, implementation experts, developers and anybody in-between
Stack Apps
Q&A for apps, scripts, and development with the Stack Exchange API
Mathematics
Q&A for people studying math at any level and professionals in related fields
Code Review
Q&A for peer programmer code reviews
Parenting
Q&A for parents, grandparents, nannies and others with a parenting role
Arqade
Q&A for passionate videogamers on all platforms
User Experience
Q&A for user experience researchers and experts
Graphic Design
Q&A for Graphic Design professionals, students, and enthusiasts
Code Golf
Q&A for programming puzzle enthusiasts and code golfers
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Travel
Q&A for road warriors and seasoned travelers
Cryptography
Q&A for software developers, mathematicians and others interested in cryptography
Server Fault
Q&A for system and network administrators
Quantum Computing
Q&A for engineers, scientists, programmers, and computing professionals interested in quantum computing
Ask Different
Q&A for power users of Apple hardware and software
Project Management
Q&A for project managers
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
Medical Sciences
Q&A for professionals in medical and allied health fields, students of those professions, related academics, and others with a sound understanding of medicine and healthcare-related sciences