It's not even halfway through the season, and the Survivor castaways are already feeling the stress of the competition.

Only ET has an exclusive first look at Wednesday's episode of Survivor: Game Changers, where one castaway in particular can't help but shed a few tears -- even after orchestrating some of the most brutal moves of the season so far.

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"You don't realize what you go through. It's amazing. You know, I've played the game. I've played for 12 days, I didn't know how hard it was on [my wife] Monica to get this far," a teary-eyed Brad Culpepper shares with his tribemates, Aubry, Sierra, Cirie and Troyzan, while Aubry bursts into tears.

"She got hungry. She's different. She was hurt. I don't know that I understood why she was hurt," Culpepper continues, wiping away his tears. "And it's only been 17 days and I can't... that's enough for me."

Culpepper later walks off to clear his head, but it's obvious that Monica's still on his mind.

"When Monica and I played Blood vs. Water, she got all the way to Day 39, and I don't know that I truly appreciated it until I had been here 17 days," he tells the camera. "For her to do what she did, she's a tough cookie, and has kind of been a guide for me. She's been my strength and my compass, right on my arm."

See the full clip in the video player above.

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Survivor airs Wednesdays at 8 p.m. ET/PT on CBS.

Though the competition may be starting to get to him, Culpepper's been playing to win on this season of Survivor. See more in the video below.