She took out a twenty because she wanted to help contribute to her poor son's welfare by slipping him money when he needed it. It's what divorce settlements were FOR after all! But...was he...oh no he DINNIT!
"Excuuuuuse me, mommy's lil' Maegly~poo? You had best bump up that rum there, because I am in the mood to party. Kay. Thanks." MORE FINGERNAILS DRUMMING ON COUNTER NOW, but she was SMILING at him, all the while. "I love you! You're doing an amazing job, for as long as this lasts, until you become an archaeologist or an astronaut or a...some other important job that starts with the letter A."