Dan Marino

"Welcome back to the Hollygrove neighborhood, " a Habitat for Humanity staffer said as she greeted a second wave of AARP members arriving ready to paint houses here this afternoon. "AARP has a lot of history helping out in this neighborhood, and we're glad to see you again."

"There's a lot of life ahead of you and a lot of things to accomplish after 50. You have to take advantage of it," said NFL star and Hall of Famer Dan Marino Monday on CBS This Morning.