2. Former husband or wife living.
3. Abandonment for one year.
4. Impotency.
5. Pregnancy by wife at time of marriage by another man.
6. Extreme cruelty.
7. Fraudulent contract.
8. Habitual drunkenness.
9. Gross neglect of duty.
10. Conviction of felony.
Action for Separate Maintenance.—This action may be maintained for any of the causes sufficient for divorce.