I found this talk necessary because we get so hung up on society's constructs and would sooner put what we want and need for what society says we should have. Why is it such a scary idea to not have a house but be happy?  About the talk:

Becky Blanton planned to live in her van for a year and see the country, but when depression set in and her freelance job ended, her camping trip turned into homelessness. In this intimate talk, she describes her experience of becoming one of America's working homeless.

And here's the video