The 21-year-old student is right to be concerned - bookmaker Skybet has put the odds of her going at 1-33.
But the other housemates seemed less concerned about her possible departure.
Sylvia told Dale she would miss him and lavished him with compliments, but he would only grunt replies.
She said: "This is potentially my last day. I'll be able to watch all you guys on the telly.
"I'll be 'Go Dale, go Dale, go Dale', you have to win this. You're a nice person, you're funny, you're friendly, you're fit, so..."
Dale replied: "Yeah, but what's your point?"
She also burst into tears in the Diary Room, saying: "I feel like my journey is not finished yet. I'm gonna really miss a lot of people in here who I really believe are my friends."
But later she declared she has "mentally prepared" herself to go.
Meanwhile, the contestants got some surprise treats with their luxury shopping, including music, a dinner for two which was nabbed by Darnell, and a "get-out-of-jail-free" card, which was snapped up by Mohamed.