A minor cannot disaffirm a contract, otherwise valid, to pay the reasonable value of things necessary for his support, or that of his family, entered into by him when not under the care of a parent or guardian able to provide for him or them. R.L.1910, § 886.
Necessaries - What contracts may not be disaffirmed
15 O.S. § 20, under Contracts.
15 O.S. § 20