When you got his far, you only have to leave the shop and Cesare will stay awake. The Coffe beans are not really needed ;-) But it could help you to get orientation. Wow, just go "home" and chose how to end the game ;-) Many thanks for playing our game!
Take whatever you can get ;-) And you are right, there are two endings. Maybe you will visit the Asylum again, when you got all items. And maybe you will find an open door, which were closed before. Could be that you will meet someone there. Just saying ;-)