A lot of protein and fat will help with post partum healing and milk production. Getting a half hour of morning sunshine can have great effects on the mind and body as well. Lactation consultants are really wonderful people and usually have their own network of trusted people for other cares. Maybe she'd benefit from Cranial Sacral Therapy? Continue being supportive. And she might not want you to fix any of her problems at all, she just might want you there to listen to her and for her to lean on you. Wish you 3 all the best brother, God bless