Vin Diesel pens down a heartfelt post for 'Avenger' co-star Robert Downey Jr

Expressing his love for 'Avenger' star Robert Downey Jr, Vin Diesel penned a heartfelt tribute to the actor, referring to him as "Bobby" in his post on Instagram.The 'Fast and Furious' actor posted a long message saying that Downey provided him with the inspiration to take 'Fast 9' to "new heights"."My brother Bobby... let me tell you about this amazing individual. He has a way of giving everyone he comes in contact with so much inspiration. You see it in the roles he plays. Like me, he has never won an Oscar, but that means zero when it comes to how he has affected the world. His very existence represents the power of resilience. The love you have for him pales in comparison to the love I have for his spirit.""On the weekend of the highest grossing movie of all times, he in the most humble way says, your next brother. Fast 9 is going to take the industry to new heights! His belief in me sometimes scares me. I never want to let anyone down. So I will do everything in my power to make .