T.B. Joshua spends a lot of time talking to God. We even had the privilege of visiting his prayer mountain where he spends hours daily in the presence of God. Even before church services he will not show up unless the Holy Spirit directs him to. People in Africa generally do not hide things from one another. It is part of their culture to be open and unashamed.
Westerners are too shy to show their problems - they try to hide and cover up from one another.
They are too afraid to be ashamed. It is pride. If you are sick, you are sick. Your physical health is usually a direct indication of your spiritual health. One cannot treat and hide diseases as easily as in the developed countries.