e8de4fde_management_of_workplace_stress__Do_nots
[Do's] If the person's problem is not affecting their performance or that of others be prepared to back off and respect their privacy. Even when the issue is work-related you must be sensitive to privacy issues. [Do nots] 
Do not use respect for privacy as an excuse for inaction. Offer assistance. If it is refused, leave the offer open whilst continuing to monitor work performance and impact.
Managers role in the risk management of workplace stress
Do nots