Because he didn't C#
Vitreous humour.
You're a little rougher than I'm used to, but I'll grit and bear it. I'm sorry, that joke was a little rough ;D
They both work on crowded platforms.
Prism (Note: I made this joke up. Sorry if this little note refracts from the humour.)
An accountant without the sense of humour.
Politics
Because they both "practice" their professions.
Ph.P.