Well, why not ask the man himself! If you can find him. Author Philip Jose Farmer in his book "Tarzan Lives" claims that Tarzan is infact a real person and that he interviewed him. Tarzan - as I'm sure you all know - went through some sort of ritual which gave him a greatly expanded life expectancy and so, although he is well over 100 years old now, he would still be in great shape - and, maybe, still into shagging gorillas.