The midfielder has returned from a successful loan with Bayern Munich.
“I know the coach likes to work hard," he said of Inter boss Antonio Conte.
"We're on the right track, I saw a lot of hunger in the locker room and everyone is fired up. On a personal note, I expect a positive year, and I watched almost all the games that my friends played last season.
"I was Inter's Number One Fan, it's a pity they came so close and didn't win all the competitions."