If it sounds more like depression than like this

This site has a separate course on depression and on the accusation of weak faith that gets attached to it. It is called When you are told it is weak faith.

If what you have read on this page describes your week less well than that does, go there instead. Nothing is lost by switching, and this course is not the sort of thing you have to finish.

If both fit, the order that usually helps is to get the depression looked at first, because the loneliness work asks for energy that depression takes away.