Do You Have Any "Talking on the Phone" Habits?

On Monday night's episode of The Hills, I couldn't help but notice that Lauren always has her fingers in her mouth when on the phone! Looks more like nail biting than anything else. . . maybe it helps her focus or something?! Camera shy?! I've definitely become more ADD in my later years while talking on the phone and can't say I have a "phone habit" since I'm usually pre-occupied with getting off the phone. Although my mom can attest to the fact that I can be overheard washing dishes on Sunday mornings while chatting with her — sorry mom! What about you? Do you have any quirky habits when gabbing on your phone?

Photos courtesy of MTV