Charlie makes Alan drive him to Chelsea when he's had too much cough syrup and bourbon to drive. They have to get her clean clothes and take care of Sir Lancelot.
Jake takes a picture of himself with his cell phone to show his nine year old girlfriend that he is in fact wearing the necklace she gave him. Now help me with my math homework.
Jake is dating a nine year old at school in order to get her help on his math homework. Here he is on the phone with her with Charlie in the background.