Kieran Culkinis ready to talk s— aboutJesse Eisenberg.

Hes going to walk away so he doesnt hear this…. You want the actual truth, man?

No, it’s interesting," he says on a more serious note.

A Real Pain Jesse Eisenberg and Kieran Culkin

Jesse Eisenberg and Kieran Culkin on the set of ‘A Real Pain’.Searchlight Pictures

“I thought he wrote a brilliant script I didn’t know he was a great writer.

I like him as an actor.

So [I thought,] let’s see how he is as a director.

A Real Pain Will Sharpe and Jesse Eisenberg

Will Sharpe and Jesse Eisenberg in ‘A Real Pain’.Searchlight Pictures

“He wasn’t either of those.

He found the balance between the two.

So I’ve been thinking about it and writing stuff around this topic for a long time.

A Real Pain Jesse Eisenberg and Kieran Culkin

Jesse Eisenberg and Keiran Culkin in ‘A Real Pain’.Searchlight Pictures

And then the movie came.

In Culkin, he found the perfect conduit for the irreverence.

I have no questions, and I don’t want to talk about it.

A Real Pain

‘A Real Pain’.Searchlight Pictures

I read it and went, Oh, I know how to do that.

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When they reconnect at the top of the film, they havent seen each other in years.

A Real Pain Jennifer Grey

Jennifer Grey in ‘A Real Pain’.Searchlight Pictures

It can swing from lowbrow comedy to highbrow philosophical discussions in the same scene.

But youd seen me on stage?

Culkin asks, his director seemingly shaking his head in disagreement.

You hadnt even…Oh, okay, so what is it youd seen?

I just knew you, Eisenberg explains as Culkin laughs in the background.

But its so great because you have an essence of a person.

This movie is naturalism.

But the writer-director-star admits not being sure what to think at the premiere.

Is this good or bad?

But it was a magical experience….

It was the most exhilarating experience of my professional life.