My concern is that it assumes you know a few hours in advance that you are going to have sex. Either that or you have to take one whenever you 'hope' you are going to have sex, which basically means you'll take one almost every night. So this whole 'You don't have to take it reguarly' argument is basically a moot point.
From the article:
Were the drug to receive approval, expect monogamous couples like Jane and her husband to be a better demographic than single guys like Matt.
"Name the guy at a bar who, two hours beforehand thinks, 'This is a done deal,' and pops the Pill," he challenges.
Wisecracks Sam, a 24-year-old administrative assistant, in agreement: "When it gets to the point where I know I'm going to have sex two hours before I actually have it, I will be too old to have babies."
Sums up my objections pretty well. This will only be a good idea if every woman in the world swears that they will not get pissed off or give up on sex after taking us up to their room, then having to wait two hours while the medicine kicks in:
(man and women stumble through the door to the hotel room entwined in each other's arms)
Woman: Let's do it.
Man: Hang on. (takes pill)
(an hour passes)
Man: Hey, where are you going? The pill hasn't kicked in yet!
Woman (as she walks out the door): To find an eunuch.
EDIT: nuclear, isn't that the guy from Doctor Who?