What Western weapons? Are you talking about 98 cannons and 4 HIMARs? Ukraine is now coming through the fourth wave of mobilization grabbing disabled from the streets.
None of the 40 years old allowed to re-enlist is coming to Ukraine so far. The original force is still involved since February, without reinforcement, mostly rotating itself back and fourth.
It was 90 days ago when you said Russia has won and needs few days to mop things up.