Ben Affleck is doing great: Matt Damon

Hollywood star Ben Affleck may have not opened up about his split from his wife Jennifer Garner but his good friend Matt Damon says he is doing "great".

The 42-year-old "Argo" star and Damon, who came for the premiere of HBO series "Project Greenlight", got clicked together, but Affleck again made a decent escape avoiding any personal questions, reported People magazine

However, Damon, 44, did speak about his friend.

"He's great, he's great. He's got a big smile on his face," he said.

"The Departed" actor, who co-wrote the Academy Award-winning screenplay of "Good Will Hunting" with Affleck, also joked about the latter's upcoming birthday on August 15.
 

"Yeah, I wish him well, but he's forty-three, it's kind of like, meh. What is forty-three? It's not forty, it's not forty-five, it's forty-three. It's a forgettable birthday," he said.