In any trial or inquiry in any suit, action or proceeding in any court, or before any person having, by law or consent of parties, authority to examine witnesses or hear evidence, the husband or wife of any party thereto, or of any person in whose behalf any such suit, action or proceeding is brought, prosecuted, opposed or defended, shall, except as herein stated, be competent and compellable to give evidence, as any other witness on behalf of any party to such suit, action or proceeding. No husband or wife shall be compellable to disclose any confidential communication made by one to the other during their marriage.
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