Decreasing the alcohol proof and faster in hangover, why?

Question

My russian friend says that the USSR agents used/use the trick that they offered the victim first vodka and then last wine.I have noted that this puts you faster to hangover: decreasing the alcohol proof.Some people lose their motor function immediately and some their memory only. **Why does a decrease in the alcohol proof cause you a) faster intoxication and b) faster hangover?**Probably the change in the concentration of alcohol inside cells of brain tissue affects some parts of your brain like the cerebellum. I would like to have an explanation in Biochemistry.**Is there any truth in my friend's argument?**

Answer 1

This has more to do with the person's tolerance to alcohol than the trick itself. People will be affected by different amount of alcohol differently.