Q: I’m totally confused and hope you can help me. A buddy of mine said I can use a phone number for iMessage on my iPod touch, but I can’t figure out how to do it. I know I can use an e-mail, but I want to get my real phone number from my phone onto my iPod so I can do iMessages from there with my buddy’s iPhone instead of having to type on the stupid cell phone keypad. I tried punching my phone number into the e-mail address field,…