“Marital misconduct” means any of the following acts that occur during the marriage and prior to or on the date of separation:
a. Illicit sexual behavior. For the purpose of this section, illicit sexual behavior means acts of sexual or deviate sexual intercourse, deviate sexual acts, or sexual acts defined in G.S. 14‑27.1(4), voluntarily engaged in by a spouse with someone other than the other spouse;
b. Involuntary separation of the spouses in consequence of a criminal act committed prior to the proceeding in which alimony is sought;
c. Abandonment of the other spouse;
d. Malicious turning out‑of‑doors of the other spouse;
e. Cruel or barbarous treatment endangering the life of the other spouse;
f. Indignities rendering the condition of the other spouse intolerable and life burdensome;
g. Reckless spending of the income of either party, or the destruction, waste, diversion, or concealment of assets;
h. Excessive use of alcohol or drugs so as to render the condition of the other spouse intolerable and life burdensome;
i. Willful failure to provide necessary subsistence according to one’s means and condition so as to render the condition of the other spouse intolerable and life burdensome.