Lets see:

• Soviet era weapon storage is running empty
• national wealth fund is emptying
• sanctions hurting trade badly
• foreign workers stay out of Russia due to the massive increase of racisim
• huge emigration waves due to the war
• many foreign companies left Russia
• increase of crime, due to lack of cops and a lot of criminals being freed
• rubel looses a lot of value

But also fairly importantly a lot of Russians benefit from the war. The soldiers pay is great and the worker shortage means higher wages. That really has to break