Bobby Brown Claims to have had sex with a ghost

Ok friends this is definately a strange one. R&B singer Bobby Brown, husband to the late Whitney Houston claims in a recent interview to have had sex with a ghost. How ludicrous does this sound? He claims not to be high and insists that it really did happen. He claims it occurred in his Georgia mansion that he had just bought. What do you think guys, do you all believe he did have this encounter with a ghost?