Section 1. A divorce from the bond of matrimony may be adjudged for adultery, impotency, utter desertion continued for one year next prior to the filing of the complaint, gross and confirmed habits of intoxication caused by voluntary and excessive use of intoxicating liquor, opium, or other drugs, cruel and abusive treatment, or, if a spouse being of sufficient ability, grossly or wantonly and cruelly refuses or neglects to provide suitable support and maintenance for the other spouse, or for an irretrievable breakdown of the marriage as provided in sections one A and B; provided, however, that a divorce shall be adjudged although both parties have cause, and no defense upon recrimination shall be entertained by the court.