As far as I know, it is legal to ride a horse drunk (as long as the horse is sober) in some places. Montana has even put a horse picking up a drunk from a bar in one of the adverts against drink driving. - https://www.youtube.com/watch?v=lnYtY9wfvvc
You know those extra thick milkshakes you get in burger franchises? Try not to buy them from the cheaper places.