For travelers and expats, what feels like home changes sometimes. Katy Sewall and Tiffany Parks share their experience with home and homesickness.    NEVER HEARD THE SHOW? Don't be afraid to start with Episode 1:OUTSET SPONSOR: Reach thousands of expats and travelers all over the world by sponsoring The Bittersweet Life. Write the at bittersweetlife@mail.com to get the conversation going. JOIN THE CONVERSATION Connect with us on Twitter, Facebook or write us @ bittersweetlife@mail.com. ©Web and show content can only be used with written permission.