(1) Neither spouse may testify to the communications or conversations between spouses that occur during their marriage unless:
(a) consent of the defendant-spouse is obtained;
(b) the defendant-spouse has been charged with an act of criminal violence against the other; or
(c) the defendant-spouse has been charged with abuse, abandonment, or neglect of the other spouse or either spouse's children.
(2) Except as provided in subsection (1), a spouse is a competent witness for or against the other spouse.