"I think because time is such an interesting thing in the Big Brother house. It doesn't really exist and the pressure of the environment forces everything to happen a lot faster than it might on the outside world," he explains to Now To Love.
"Once you latch on to certain people in the house, those relationships just grow quite quickly."
While fans at home have been watching the romance unfold with excitement, the same can't quite be said for their fellow housemates.
Given the success Sophie and Chad had last year as a couple - both making it to the top three before the model took out top prize - it's understandable.
"Sophie and Chad were definitely referenced like 'Look who won last year – Sophie and Chad'," he said.
"At the end of the day, everyone's trying to light a fire under someone else's feet and using the power couple play was just another technique to get the heat onto Christina."
Whether their budding relationship works in their favour or not, is yet to be seen. But, there is one question all fans will want answered that isn't restricted by spoilers or embargoes – Are Christina and Brenton still together post show?
With the show well and truly wrapped, we want to know.
"Although it's filmed in advance we are still kind of living as though we are in there, because part of the way we talk and interact with viewers is to talk in present tense.
"I think once the game finishes we'll evaluate the situation and see what happens from there."
This article originally appeared on our sister site, Now To Love.
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