>Have 64gb memeory stick with software and precious memories (back ups of childhood pictures and stuff)
>Go to girlfriend's house
>Let her borrow it because she needed it for photography (pictures in the TrueCrypt file take only about a quarter of the drive)
>Get dumped by girlfriend after a while
>Shrug and be a little sad
>Find out that i dont have a local copy of what was there
>Don't have courage to ask for it back or even speak to her
>Cry because of now gone data
>Cry because no back ups.

Moral of the story is dont fuck with your back up and also, don't give people precious data, even the ones you trust at the time.