Matt Damon Thinks Jennifer Lopez Is 'the Best Thing That Has Happened' to Ben Affleck, Source Says

etonline.com:

Matt Damon is thrilled for Ben Affleck's relationship with Jennifer Lopez, a source tells ET.«Ben and Jen are doing so well and are happier than they have ever been.

Ben's in a great place and he really is Jen's biggest fan. He loves being with her and working with her too,» the source says.

Damon, the source adds, «loves Jen and thinks she is the best thing that has happened to Ben. Matt is glad Ben is so happy. Things are going great for Ben both career-wise and in his personal life.

He feels like he can and will do anything he wants to accomplish in life now that he has Jen backing him and supporting him.» The source elaborates that Affleck and Lopez's relationship has been great for both their individual health and their family's happiness. «He is working out and feels good,» the source says. «His kids love him with Jen and like her kids too.