"Happy Endings" Star Casey Wilson On The 5 Mistakes That Get "Friends" Knockoffs Cancelled Again And Again

Casey Wilson must be used to saying this, because he offers it right up front:

Her new show, ABC's "Happy Endings," has similarities to "Friends."

"Yes, there's guys & girls, some are married, some are single," he says.

She is aware -- as are they -- that it is a model that is being worked hard by networks this year, & not always with great results.