You are mentioning 2 different resources: 1. Materiel, 2. Manpower. After an initial bumpy start where Ukraine did indeed lose a few valuable pieces of equipment, you cannot point to any significant loses in the last month -- except on the Russian side. And Russia does not have extensive resources thanks to the international sanctions. Russia is now moving troops from one point of attack to another, meaning they no longer have reserves to apply. They have already gone through the prison population, and the lasty conscription drive caused many people to move abroad. They are now conscripting people who have the least motivation to fight and giving them little training. These are death sentences. Meanehile, Ukraine continues to be supported by Western financials and technology. You are perhaps expecting a "blowout" scenario like in Kherkov last year. But placing a greater value on life, Ukraine has been going slow and carefully to minimize losses on thier side. The exact thing you see as a weakness is actually resource protection.