I voted Yes but I'm rather surprised with the tally so far.
That natural inclination to
not
fuck your immediate blood relatives is not as strong as commonly thought. What if your sister has big tits and a shapely ass?
These facts are not so easily surmountable, not as much as what is laid before you, surely. There's a myth surrounding incest and what we know of if it is shrouded more in taboo allures and unspoken desires as old as time itself.
I'll defend any man's Funbazooka!