They both can laugh a lot together and Gregor gets a little bit astonished sometimes when Luise does n't know how to deal with the ( for him ) easiest things , such as making coffee or knowing that a vacuum bag needs emptying , otherwise it will burst .
They both can laugh a lot together and Gregor gets a little bit astonished sometimes when Luise does n't know how to deal with the - for him - easiest things . 
 Like making coffee or knowing that a vacuum bag needs emptying , otherwise it will burst .