N.J. Stat. Ann. § 3A:37-2

If a married person voluntarily leaves his or her spouse and goes away and continues with his or her paramour, such person shall be forever barred from having jointure, dower or curtesy, as the case may be, unless the deserted spouse voluntarily becomes reconciled to and lives with the deserting spouse, in which case jointure, dower or curtesy shall be restored.