The Dutchman has endured a stop-start year with both his country and Bayern Munich thanks to injury, and he told news outlet NOS (via Sport) that he can't wait for it to end.
Bayern are eight points clear of Borussia Dortmund in the Bundesliga and are enjoying the traditional winter break before playing their next game on January 22.
"I am happy because 2015 is ending," Robben admitted. "It's been a s--t year for me. I got injured in a stupid way in March and since then I've not returned to feeling good.