Boss: I wonder how the whole plan failed

Developer *thinking*: If only I could have told this to you weeks ago. Well, I knew you wouldn't listen. Your actions were clear. Your loss. Or maybe it kinda became my plan to fail the plan and it work worked. Idk, lol. Maybe next time don't categorise what I say as negative by asking me to frame it positively. I won't give any feedback then, especially critical feedback to improve