Q: My husband and I each have our own iPhone 4. My phone that has the only iTunes account already was upgraded previously, while my husband recently upgraded his to iOS 6 on the same computer with the same iTunes account as mine. Now he has all of my contacts and gets all my texts, and I get all his things as well. Also when he texts or messages me. It goes right back to his iPhone. His phone is a business phone and I don’t want to delete his…