A major incident does have a major impact on anyone's mind. It is important that you seek professional help to rise above this situation and start enjoying life again. In such a mind state it will be difficult for you to focus on your job and your family responsibilities.
Next Steps
Consult a psychiatrist either online or in person for a detailed evaluation to start treatment soon
Health Tips
If you are on the verge of committing suicide, immediately call a friend or suicide hotline for assistance. And seek professional help as soon as possible