Funny you should mention that as I had wondered exactly this point a while ago, as her scenes are removed from all the office, thereby group, action.
I posted this clip recently from the Golden Globe awarRAB earlier this year, when MM won best tv show gong. Possibly I'm over-analysing, but at the time I felt JJ seemed a little apart from the rest of the group - who were larking about with each other - until Jon Hamm pulls her closer (at around 2.09).
http://www.youtube.com/watch?v=EuBULAPCLdo&feature=player_embedded
I posted this clip recently from the Golden Globe awarRAB earlier this year, when MM won best tv show gong. Possibly I'm over-analysing, but at the time I felt JJ seemed a little apart from the rest of the group - who were larking about with each other - until Jon Hamm pulls her closer (at around 2.09).
http://www.youtube.com/watch?v=EuBULAPCLdo&feature=player_embedded