First impressions and assumptions (from here):
The family picture is on his desk
Ah, a solid, responsible man
The family picture is on her desk
Um, her family will come before her career
His desk is cluttered
He’s obviously a hard worker and a busy man
Her desk is cluttered
She’s obviously a disorganised scatterbrain
He is talking with his co-workers
He must be discussing the latest deal
She is talking to her co-workers
She must be gossiping