In the case of a veteran who is eligible to receive treatment for a non-service-connected disability under the conditions described in paragraph (1), (2), or (3) of
section 1710(a) of this title, the Secretary may, in the discretion of the Secretary, provide to individuals described in subsection (c) such consultation, professional counseling, marriage and family counseling, training, and mental health services as are necessary in connection with that treatment.