“Are you sure you can't dematerialize? Not even a little?" "I'm sure.”
“I'm not sure if you even want me around or if you just feel sorry for me. I'm not sure of anything.”
“[We say things like] 'Well, I'm not sure You are worth it....You see, I really like my car, or my little sin habit, or my money, and I'm really not sure I want to give them up, even if it means I get You'.”
“I just want to make sure that he treats you right! I can't let my little girl get hurt!""... I can't even tell if you're joking or not.”
“I might be in love with you." He smiles a little. "I'm waiting until I'm sure to tell you, though.”
“I'm sorry for calling you so early, but this couldn't wait. I can't go to dinner with you on Wednesday.""I can't see you at all actually.""I'm...pretty sure I'm in love with Travis.”