Don't stay quiet, call in sick or avoid the problem. This will only create more obstacles for you to climb back over.Consider  counselling or other services, find someone outside the organisation to give you emotional support, involving your colleagues could also be a alternative. Try not to make your  working environment too pressurised.

The possible answer could be:

The people you work with on a daily basis. My colleagues, the physicians and nurses - everyone is very professional. I can't imagine working in any other career! A pharmaceutical sales career offers you the opportunity to learn and delve deeply into all facets of selling...I feel like there's no sales job out there that I couldn't succeed in - as a result of working in pharmaceutical sales.