After Andrew had a shower in the bathroom, the Tree secretly began speaking to him.
Andrew was told he had to become a "yes man" for the day, and had to respond with "yes" to any question asked by his fellow housemates. If he succeeded, the housemates would receive an "utterly perfect day" tomorrow.
So far, Andrew has only been asked a couple of questions, and may have already incurred a fail as JJ asked him if he was "looking for the coffee cups" during the washing up, to which Andrew replied: "Nah."
However, according to the Channel 4 website, Mario will be set a task by the Tree, where he will be informed of Andrew's task, and must "manipulate" him by asking various questions.
It is unclear whether Mario has already spoken to the Tree, but this may be the case because soon after he had a shower he was seen walking around the house naked.
Mario asked Andrew: "Do you think I have a nice bum?" Andrew replied: "Yeah, it's quite nice actually." Josie said: "Can't we cover that with a leaf or something?" in reference to Mario's large testicle.
Cameras turned away as a naked Mario walked into the garden and tried to get close to JJ, before the boxer squirmed away. Mario then became scared of a nearby wasp and David said: "He's got plenty of opportunity to sting you, mole."