How To Quit Overpacking

So, I'm a recovering overpacker. I've learned how to pack less over the years and still I feel like I pack too much whenever I travel. You can totally learn to pack less and enjoy the freedom of spending less (time and money) at the airport and of going from plane to trip without a visit to the carousel. Here's what you need to do:

This is all I took for 5 days in Vegas. It would have been smaller, but I took my laptop.
Commit, commit, commit 
Say you're not going to overpack and don't just give up...