That is simply not going to happen and every even moderately informed person on the matter knows it. You're effectively advocating for the war to continue indefinitely.
How many lives is a square kilometer of land worth to you? If it takes 500k to 1 million more Ukrainian lives to win back all the occupied territories then was it worth it? I'm pretty sure most Ukrainians would say no.
Perun had those numbers in his video from the 15th (iirc) and the numbers are very high. People want the war to stop but not at the cost of giving up their land.
Giving Putin an inch is just inviting further conflict. We've all learned this lesson before.
It will if the West stops holding back on arming Ukraine. The weakness of Western leaders in the early part of the war (and until now) is what got Ukraine into this situation.