If she's on a Mac, have her use 1password (from agile bits). It can generate passwords for you, and store them. The browser extensions are pretty seamless, and

If she's on a Mac, have her use 1password (from agile bits). It can generate passwords for you, and store them. The browser extensions are pretty seamless, and all you need to remember is your master password. This is especially viable if she uses the same machine all the time, i.e. her home computer.