I talked to a porn star recently about this. His explanation: large endowment + ability to perform = very shallow talent pool.
Exactly. Not only do you have to be able to get it up under the hot lights with half a dozen bored people watching to have sex, but you have to do it for half an hour or so without busting your nut as you wait to do so on command. Thank you, but no thanks.
Feeling charitable? Donate to the MDA via my link for our Muscle Walk team!!