A husband or wife under the age of 19 years may file a complaint for any purpose under this chapter in his or her own name without the intervention of a next friend, guardian, or guardian ad litem, and if over the age of 18 years, he or she may defend any action brought under this chapter in his or her own name without the intervention of a next friend, guardian, or guardian ad litem.
Ala. Code § 30-2-6 (1975)