which tells you he's running out of what he needs to advance and fears having to retreat because Ukraine is now better armed.
It was totally predictable.
Of course, Ukraine will be thinking this is not the right moment to strike a deal. Let Putin suffer now.
The more equipment and ammunition Ukraine is given, the more he sees only war ahead, the more likely Putin is to decide the war needs to end.
That's how to end the war. Empower Ukraine for the long run, not a dribble here and a dribble there.