Hello Friend, Good that you are seeking a help here. He may be undergoing work related or financial stress and anxiety and that's what reflecting with such  behavioral changes . He needs further detailed evaluation to suggest the suitable solution. Surely you need to support him to overcome such problem. If he is not ready to meet directly, why don't you suggest him about options of online consultation through phone which should be easy and convenient. Still if he is not ready, you consult me online, so that I can suggest you the ways how you can help him overcome this through few home remedies, dietary changes, few lifestyle changes, self therapies etc. As a wife you can help such things at home.

Tell him to talk about it online to someone through text or audio Consult with me or any psychologist for therapy and counseling All the best