It is not unreasonable to believe both sides are desperate.
War is a desperate enterprise.
Russia is winning and Ukraine is losing. Everyone knows the war will be over once Trump assumes office. It will be a negotiated, diplomatic solution. Both sides are jockeying for position.
Biden/Blinken are shoveling the money to Ukraine as fast as possible. They want the war to continue until they leave office and then blame Trump for losing Ukraine.
The US funds the entire government of Ukraine, including the military. We pay for their pensions. Once Trump assumes office, the gravy train ends.