“We had flooding of the toilets and the showers a lot,” he said.

When you’ve gotta go, you’ve gotta go… unless you’re onCelebrity Big Brotherapparently.

Actor and TV personality (and infamous witness in the O.J.

Kato Kaelin in BIG BROTHER: CELEBRITY EDITION

Kato Kaelin on ‘Celebrity Big Brother’.Sonja Flemming/CBS via Getty

“It’s really, really kind of difficult,” he continued.

And no, there’s no sleep."

Kaelin was a contestant on the second season of the reality series.

“There’s some evil that goes on, and I was not like an evil… For more with Kaelin, check out the full interview above.