Sharing or not

Due to my loss in May I have made a huge carreer switch. From Social Work, to IT. The social weight of helping others through a difficult time is something I am unable to carry anymore, and logically so. The workpressure was immense, but I had always seen that as a manageable challange, now it feels like an impossible task.

I have been able to find myself again in IT, that fire I used to have is not back, but there is a flicker of a flame so I choose to chase after it, hoping I can one day be okay again.

Alot of people keep asking why? And... I don't know how OK it is to share this trauma. During the first month I told everyone that would listen, after that I kept it mostly to myself realizing that I did not want people to remember my friend in how he ended.
I would like to hear your experience in sharing your story. Do you tell? If so, who? How do you tackle it if people ask?