Name of romantic comedy movie where man arranges bicycle accident with rich girl in order to meet her, ends up in hospital. She takes hm to her place where he learns she lives in seclusion, Parents thought she was allergic to everything, turned out was the egg albumen used in tests that she was allergic to. She is a quick learner and life becomes a series of adventures with him and others. Movie ends with her blowing up her mansion with a pen click.

I can remember which one you are talking about but not able to recite the name! :D

The Brothers Bloom
......The plan is for Bloom to meet Penelope through a staged car accident, where she will hit him while he rides a bike......Penelope explains that she was a shut in for most of her life because doctors thought she was allergic to everything. She later found out she was only allergic to the needles used for the test....
The Brothers Bloom (2008) - IMDb (http://www.imdb.com/title/tt0844286/)

Aliseaodo You are the BEST! Thanks.

:)