Nothing in Article 2 (§ 37.2-715 et seq.) of Chapter 7 of Title 37.2 shall be construed to relieve the fiduciary of any individual receiving services in a state facility from paying to the state facility a sum for extra comforts or to make it unlawful for the fiduciary to make voluntary gifts that the fiduciary may deem conducive to the happiness and comfort of the individual.