Kate Hudson improvised plastering Matthew McConaughey with kisses during the scene where she introduces the new dog. This is why McConaughey looks genuinely surprised.

A lot of the scenes were improvised on How to Lose a Guy in 10 Days

Katz's Deli, is an actual restaurant on New York's E. Houston Street. According to writer Nora Ephron, the infamous "I'll have what she's having" line was actually suggested by Billy Crystal.

The orgasm scene was filmed at what deli?

The children's bookstore scenes were filmed at Maya Schaper's Cheese and Antique Shop at 106 West 69th Street. The film makers wanted to use the antique shop because it had the quaint, homey feel they were going for. They sent the owner of the antique shop on vacation for a few weeks and while she was gone they turned the store into a children's bookshop. After filming was finished, they put everything back the way they had found it.

In "You've Got Mail," what is the name of the small bookstore owned by Kathleen Kelly?

Meg Ryan and Tom Hanks were never on top of the Empire State Building for this scene. According to French Girl In Seattle, it was shot inside a hangar in Magnuson Park, Seattle.

In "Sleepless in Seattle," what landmark does Annie suggest Sam meet her at?

The neurological condition from which Lucy suffers, Goldfield Syndrome, is entirely fictional. True anterograde amnesia affects either short-term memory, which can last minutes or seconds, or intermediate-term memory, which can last days or weeks. Falling asleep has nothing to do with the condition, and sleep actually intensifies many chemical effects which help memory.