The movie is about a playboy who gets 'a taste of his own medicine' when the girl he falls in love with jilts him for another guy.
If he loses the case, he should just 'take his medicine' and stop complaining.
Their research has led to many important advances in modern 'medicine'.
(..) to go on. What's in it for me? I haven't told you the best bit yet. Whatever bottle you choose, I take the pill from the other one. And then together... we take our medicine. I won't cheat. It's your choice. I'll take whatever pill you don't. Didn't expect that, did you, Mr Holmes? (..)2010 TvShow: Sherlock Title: A Study in Pink Season: 1 Episode 1