You can support both teams/schools simultaneously. The only exception is Football, you must follow the Gold, and it has always been found in Tempe. I have enjoyed both schools since I was a kid (except UofA football) and have found a peaceful co-existence. Though some may say I am a house divided, I tend to think of it as 'hedging my bet' and supporting the great state of Arizona. If UofA wins any sports championship, I am happy... however, if they win a football championship before we do...
Lute Olsen is a fantastic coach, and a good person. Tucson is a decent place to live. UofA is a great school. Wildcat fans are a lot of fun and very loyal. ASU has hot chics. ASU has great programs within a good overall school. The Valley is the best place to live (except during the summer) in Arizona. Sun Devil fans are generally decent natured.