"Difficult" is a song by Eminem featuring Obie Trice. It was released in 2010 and is a tribute to Eminem's close friend and fellow rapper, DeShaun "Proof" Holton, who was a member of the hip-hop group D12. The song is an emotional expression of grief and loss following Proof's sudden death. The lyrics depict Eminem's struggle to come to terms with Proof's passing and his feelings of sadness and anger. He reflects on their close friendship and reminisces about their shared experiences. Eminem also addresses specific memories and inside jokes they had, demonstrating the deep bond they shared. Obie Trice's verse in the song echoes Eminem's sentiments, expressing his own sorrow and disbelief at Proof's untimely death. He also emphasizes the importance of carrying on Proof's legacy and not giving up their dreams. Throughout the song, both Eminem and Obie Trice express their grief and pay homage to their fallen friend. They talk about the impact Proof had on their lives, as well as his role as a peacemaker and someone who brought people together. Eminem also expresses his frustration with individuals who betrayed their friendship. The song is a raw and heartfelt tribute to Proof, showcasing the profound impact he had on Eminem's life and music career. It serves as a way for Eminem to cope with his emotions and preserve Proof's memory.