In the most simplest of explanations, she put herself and husband in financial ruin. She killed herself before her reputation was ruined and before her husband would find out about the debt she incurred.
Asked in Grammar
Which of these is correct commit a suicide or commit suicide and why?
It would be "commit suicide", because you do it to yourself, and can only do it (right) once. To "commit a suicide" would imply multiple are possible, which is not true, using the indefinite article, "a". ...
What percentage of people in the military commit suicide?
Answer about only 45% of people in the world commit suicide!!