I'd say it's because people listen to Ph. D.s, except they really don't.
(Seriously, I don't like classes before 9 AM, and I'm a grown-up. At least my math brain is the first thing to wake up, so I might not be able to be coherent, but I can do calculus.)
no subject
except they really don't.(Seriously, I don't like classes before 9 AM, and I'm a grown-up. At least my math brain is the first thing to wake up, so I might not be able to be coherent, but I can do calculus.)