I think it refers to the old punishment for a kid caught smoking. You catch a kid smoking a cigarette and then sit there and force them to smoke one after anoth

I think it refers to the old punishment for a kid caught smoking. You catch a kid smoking a cigarette and then sit there and force them to smoke one after another until the whole pack is done. They get really really sick. So the analogy is take something you like and then force it on you 24x7x365 until you hate every moment of it.