Just the logistics of being hosed down with freezing cold water while youre trying to do this scene.

Then there was also the expectation.

And I hadnt seen Alex in a while, but we hit it off right away again.

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Credit: NBC

So many different versions of that going through her head.

That whole episode was really just tough on all of us and draining.

Chrissy Metz (Kate)

In season 2, Metz was tested when Kate had a miscarriage.

THIS IS US – “Don’t Take My Sunshine Away” Episode 316 – Pictured: – (Photo by: Ron Batzdorff/NBC)

Ron Batzdorff/NBC

The breakdown stuff was hard, says Sullivan.

Its hard going there.

I walked in, I was like, Who are all these people?

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What are we doing?

I just love Sue so much and its hard to argue with her, shares Brown.

But I think thats the way it is.

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NBC

In between which one of your anxiety attacks were we supposed to do that?

And I was like, Whoah.

And I started crying and they didnt use it.

And then she went to grab my hand I was like, Dont touch me.

I think they probably thought it was too much, but there was a real reaction.

I was like, I cant believe you just did that.

That was a tough one.

There are physical challenging scenes, but theres also emotionally challenging, says Ventimiglia.

How does she do it?

How does she say it?

But to say, This is what I want.

Im going to make a run at go for it.

It was a big moment.

But we found our way through it and there was a comfort to that.