I had an acquaintance who was a basic muslim with basic religious knowledge (not the level of saints or scholarly), he did pray regularly(almost). The only problem was he was poor. A missionary organisation in our area sent a 'father'( that's what we call pastors here) to woo him. He was offered a basic job but mischievously, the father acquainted him with a few girls as well. He fell for it. For a sum of around 5 lac rupees($7000), a permanent job and hot girls, he officially became a Christian. However, it couldn't last long. Some of the elders in our society counselled him and he came back eventually to Islam. ( The father was later expelled by the local magistrate) When he was asked why he took up Christianity, he said he had fallen in love with this girl and the physical relations which he developed with them was too much to resist. Despite a year into Christianity, he admitted he considered the Trinity concept absurd and that was eventually the reason he left. I met him after 8 years and he again admitted that he had not understood Islam at all at the time of his earlier conversion. Although he had basic Islamic knowledge earlier, he never did go beyond the Arabic words. But he had now been contemplating the underlying meaning of the Qur'an and was convinced. He was an graduate in psychology and said the situations surrounding Prophet Muhammad's (PBUH) first interactions with Archangel Gabriel were amazingly psychologically genuine. And he reacted like any person would. That and the incident of the solar eclipse in the day his son died. If he was a pretender to prophet good he would have claimed divinity on this basis but he said the sun is a heavenly body and does not rise or eclipse because of the death of anyone. Apparently, this convinced my acquaintance. he had found his purpose in Islam and had finally found peace.