"It was almost like he was being told what his opinions were. He's very concerned with his image. Everything that comes out of his mouth is image conscious and measured," the woman told Fairfax Media.
"He wants Australia to believe he is the perfect gentleman," she added.
"Those who had been fighting that week would be the last to get a rose for dramatic effect," she said of the rose ceremony, before revealing Matty would put on an upset front while the rejected contestant left, before instantly perking up.
"He acted so devastated [when someone had to leave] heavy sighing and heavy breathing. Once the girl walked out and he heard, 'OK, it's a wrap', he was back to being happy Matty again."
This article originally appeared on marie claire.