Vampire blood ingestion

[Firebarrage]

Currently the way that vampires are coded the way a vampire drinks blood is just by directly subtracting the blood from the victim and adding it to the vampire. I think it would be better/more entertaining for them to not only ingest the blood, but a portion of any chemicals in their bloodstream at the time. This could lead to entertaining situations of a careless vampire grabbing an assistant on his 10th bottle of hobo wine and ending up too plastered to stumble out of maintenance after a single bite. It would also be easily taken care of by vampires making sure to do a quick health exam before allowing their victim to make a donation, which would hopefully lead to equally entertaining stories of vampires desperately trying to sober up their victims in some god forsaken part of maintenence.