I want to be honest with you — I think we're behind, and it's going to affect the deadline.
I want to be honest with you, this approach has some real risks we haven't addressed.
Before we go further, I want to be honest with you about what I'm seeing.
I want to be honest with you — the client is not as happy as the last update suggested.
I want to be honest with you, I'm not confident we can deliver this in the time given.
I want to be honest with you — I think there's a communication issue between the teams.
I want to be honest with you, even if it's not what you were hoping to hear.
I want to be honest with you about where I stand on this before we decide.