Originally Posted by Tannhauser
Making muscles grow is just another biological process.
To know about suntanning, I don't need to be the brownest white guy on the beach. To be an authority on serial killers, I don't need to have murdered a bunch of people.
What matters is quality of observation (real world, lab study, whatever) and quality of argument. All the rest is ad hominem stuff.
One of my wise old teachers told me, "I can tell you what p!!!Y lookes like, smells like, and tastes like, but until you have that little puppy in your hand you have no clue what the f!@# you're dealing with."