Well, she's actually been doing this for the last week. Sometimes it's because I laugh or sneeze or talk or move my arm slightly...and sometimes she pulls back and grins at me for no apparent reason (unless my milk is just that damn tasty she feels the need to praise me mid-feed?). If I stay really quiet and make no sudden movements she generally resumes feeding, but today she would only feed for 3-4 minutes before she'd pull off, arch her back and go all stiff until I sat her back up. When she decided she was hungry again an hour later, she wasn't just hungry - she was OMG STARVING BABY. *headdesk*
She's lucky she's so damn cute.