Here are the grounds for divorce in Ohio
No Fault (Dissolution of Marriage):
(A) On the application of either party, when husband and wife have, without interruption for one year, lived separate and apart without cohabitation;
(B) Incompatibility, unless denied by either party.
(A) Either party had a husband or wife living at the time of the marriage from which the divorce is sought; (B) Willful absence of the adverse party for one year; (C) Adultery; (D) Extreme cruelty; (E) Fraudulent contract
; (F) Any gross neglect of duty; (G) Habitual drunkenness; (H) Imprisonment of the adverse party in a state or federal correctional institution at the time of filing the complaint; (I) Procurement of a divorce outside this state, by a husband or wife, by virtue of which the party who procured it is released from the obligations of the marriage, while those obligations remain binding upon the other party. (Ohio Code - Sections: 3105.01)
Here you can get an immediate divorce on the grounds of adultery if she has a boyfriend. You will need to hire a private investigator.