This one is an extract from the movie A Beautiful Mind .

Alicia : You don't talk much ,do you?

John: I can't talk to you about my work ,Alicia .

Alicia : I don't mean work .

John: I find that polishing my interactions ,in order to make them sociable requires a tremendous effort .
I have a tendency to expedite information flow by being direct ..........I often don't get a pleasant result .

Alicia : Try me .

John: All Right.
I find you attractive.
Your aggressive moves towards me indicate that you feel the same way .
But still ,ritual requires that we continue with a number of platonic activities ,before we have sex. I am proceeding with those activities ..but in point of actual fact..all i really want to do is have intercourse with you as soon as possible.
Are you going to slap me now ?

We all know what happened after that :p

P.S-Scientist are sexy in their own way !!!