Hey Sarah - glad Xander is better and that Ari is letting you get some sleep. OMG on Ari's weight gain. They usually say that they grow 1cm per month but having said that it is obvious that Ari is putting all of her efforts into her weight gain! Grace is the opposite, less effort into weight gain but plently into length (she is now 66cm long which is a growth of 15.5 cm since birth. She grew 4cm last month!). I wouldn't worry, she certainly isn't short. By the way, feel free to whinge away. If you can't do it here where can you do it!