You seem to be going through classic bereavement process, these feelings of not feeling ok is very normal unless it is extending beyond 6 months, I donot intend to say that you should feel this way for 6 months, how ever you can come out of this, much earlier with the help of Therapy
Next Steps
Consider seeing a psychotherapist to discuss about your feelings
Health Tips
Beware of touts in the markets who are unlicensed psychologists