I had the "bad back" thing pop up, too. And what was it 40#? 20#? Get in shape and stay there. Learn about, and practice, good body mechanics.
Check with the landlord before letting someone move into to HIS house. Don't have a pet if a) you're poor, and b) you're renting the landlord hasn't approved it.
Talk to creditors before you're in crisis mode. Buy different groceries. Work and barter in exchange for services.
Every time I made a responsible choice, there would pop up an excuse of why people can't do that.
I have a cousing that is soooo like that. I stopped answering her calls. She'd ask for ideas and then counter with why she couldn't and how the government should.