Margie: [to her son who's prancing around with no pants on] Aaron! [to Pam] I'm sorry, he just discovered his penis.
Pam: Don't they all!
Pam: Don't they all!
Margie : [to her son who's prancing around with no pants on] Aaron! [to Pam] I'm sorry, he just discovered his penis.
Pam : Don't they all!
http://www.tv-quotes.com/shows/big-love/quote_1073.html