Nairobi, April 28 -- For the past six months, my 39-year-old husband has become a total stranger to me. First, he lost interest in me, then our two teenage boys, and now his job seems to be headed the same way. A girlfriend I know he was seeing has also been dumped. What is going on?

It is almost certain that he is going through a crisis of one sort or another and only a mental health specialist can help him, and I would suggest that you get him to see one as soon as possible.

It is difficult to be sure what type of crisis he might be going through but from your brief description, both a major depressive disorder and schizophrenia are possible diagnoses, and either way, your next steps are clear, because these are not the only possible ...