Hi
I appreciate that you reach out with your concern
With given information she is facing work pressure due to interpersonal issues with setting the boundaries, assertiveness, saying NO to people for the work which is not in her portfolio
If this is happening since a few months before that she was able to do the same emotionally unaffected then she needs to see an experienced psychologist
If see behaves above since beginning then it's her behavioural issue....needs to work on consciously
Next Steps
you can have a session with Psychologist Rupali Mohbe at Practo
Health Tips
progressive Muscle relaxation (you tube) and daily yoga practice