Kieran Culkin gives his 'A Real Pain' co-star and director, Jesse Eisenberg, his gum mid-speech while accepting an award from National Board of Review.

Culkin, who won a Golden Globe for 'A Real Pain' almost pulled out of the project until producer Emma Stone flew him to the set

A Real Pain sees Jesse Eisenberg and Kieran Culkin play cousins who go to Poland to retrace their family's history. Eisenberg says being both actor and filmmaker made him nervous because he sees actors giving notes as the "biggest taboo".