I don't know if you took ofense on my comment of this brother as having a mental illness but
no i didnt take offense or was I implying anything, Your comment just caused me to connect to this thought. So many times, whenever someone "spritiually strong" leaves the truth/becomes inactive/commits suicide, its almost taboo to admit or even suggest that they have doubts about the "truth". Typically any of those actions indicates that doubt exists otherwise they would be so happy all the time none of these would ever happen!
Thus to "not" say they have a "mental problem" would be tantamount to saying they doubt its "the truth"