I am sure that it is metaphorical because I cannot imagine man surviving on locusts in the desert. f.e.
Then why are you so sure that Jesus even existed? He could just be one big metaphor.... I mean, it's fact that the gospels were written (at minimum) decades after Jesus' death... and the average life span was... oh..... 30-35 tops?
Have you ever played the telephone game? You know, the one you used to play when you were kids sitting in a line and one person says a sentence to the next person in line, and they have to repeat it to the next person, and you see what the sentence has turned into when the last person tells everyone what they heard? That's how I see the bible.
Let's talk about the fact that it was written in a time when people thought disease was gods wrath, and slavery was A O.K. How much stock can you really put into these accounts? How much stock do you put into the religious claims of any other religious book? Hmmmm....