Earlier quoted context omitted.
In the most extreme conditions I used to visit building sites as the site offices tended to remain unlocked (there's nothing in there to steal) and they were unattended from 7pm through 5am. They also tended to have a kettle and some enamel cups... usually all dirty at the end of a day but with boiling water to hand that isn't an issue. One can sleep there and actually feel really safe and secure, not just from the h…
A little bit off-topic, but why were you walking so much? And where did you find so much energy to do so (I presume you would probably need to eat a lot (much more than 2,000 calories) to be able to walk so many miles)?
I didn't really see the point in staying in a new place I didn't want to be (sitting on a street).
I chose to walk cities, talk to people, hitchhike around the UK, and generally see if I could find a life and place I did want.
It also means I avoided getting into a rhythm of hostels, soup kitchens, and charity.
I know I was homeless and sleeping rough, but at the time I didn't view it like that. At the time I just viewed myself as a nomad, wandering around with a backpack containing some library books for company.