Rule reminder
Key responses: 'Bene, grazie!' (well), 'Così così.' (so-so), 'Non c'è male.' (not bad), 'Male.' (bad). Follow up with 'E tu?' (informal) or 'E Lei?' (formal). 'Grazie' = thanks; 'Prego' = welcome; 'Scusa/Scusi' = sorry/excuse me.
What is the most common, positive reply to 'Come stai?'