 Kurt has been receiving valentines and gifts all week from a secret admirer that he believes to be Blaine ( Darren Criss ) , who is still home recovering from eye surgery . He arrives at Sugar 's party early to discover his admirer is actually former bully Karofsky ( Max Adler ) , who declares his love for Kurt . Kurt lets him down gently , but their parting words are overheard by a classmate of Karofsky 's , and Karofsky flees . 
