Examples:

• Don't want to burst your bubble Don't want to waste your time
• Don't mean to burst your bubble Don't want to waste your time
• Yeah, I don't mean to burst your bubble but, um...
• I hate to burst your bubble, Worf, but it wasn't that good.
• I don't mean to burst your bubble, but I'm not trying to get into your pants.
• Well, I love to burst your bubble, so I will.
• I don't want to burst your bubble, but we got a slight problem.
• I'm sorry to burst your bubble, but... we weren't.
• Well, I hate to burst your bubble, but I've heard that before.
• I hate to burst your bubble, but I go to parties.