

They are technically slightly different terms. Someone can be homeless by choice. They could also be homeless, but have somewhere to stay (e.g. a shelter). Rough sleeping refers to people who have to sleep outside, without it being a choice on their part.
The term has had a lot of creep. It’s akin to how the word retarded changed from a medical description to an insult.

Parenthood. You reach the point of pure exhaustion somewhere around 6 months. Depending on your child, it can last for years.