Christians think they are being rational and logical. But when they try to rationalize their faith based on evidence, they tend to resort to what is "possible", and then claim that they have won the argument because something is merely "posslble". Short of providing real evidence for the existence of the Christian God, they dive into philosophy, in order to somehow logically prove the necessity of the existence of god. To me, however this is no different than mental gymnastics, resulting in endless rabbit trails around epistemology, metaphysics and ontology. It is, simply, making stuff up.