American English has many phrases for keeping work and private life apart.
Keep it professional. Leave personal feelings and private matters out of work.
Leave it at the door. Do not bring personal problems into work.
Personal day. A day off for private reasons that you do not need to explain.
Don’t mix business with pleasure. Keep work and private life, especially romance, apart.
Don’t dip your pen in the company ink. Do not date coworkers.
Personal stuff. Private matters you do not want to explain at work.
Dooced. Fired because of something you wrote in public, such as a blog post. The blogger Heather Armstrong coined the word in 2002.