Marriage is a civil contract, requiring the consent of the parties capable of entering into other contracts, except as herein otherwise declared. [C51, §1463; R60, §2515; C73, §2185; C97, §3139; C24, 27, 31, 35, 39, § 10427; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §595.1 ] C2001, §595.1A