I have very few different passwords. There are a couple of exceptions, but nearly everything I access has one of two passwords.
There's my challenging password that I use for identity protected things including my email account. I change this every couple of years. It's extremely random and hard to guess. Also, the type of things I use it for I'd know immediately if I were hacked so would know to change it everywhere.
Then I have my insecure password which I use for random things that I honestly don't care if I lose access to - random websites etc. Things with zero link to my identity or any personal data.
My work password is one exception, I change it monthly and it follows a different format to anything else in my life. I like to keep my work and personal access separate as in theory I guess people at my work might learn my password for work.
Although I am private about some things in my life, I am far less security conscious than many people. I believe if somebody really, truly has it out for me they will find a way. If not, the chances are low. I don't have a credit card and the debit card we use online has a very low amount of funds attached to it - and even if there was a fraudulent purchase, our bank would cover it and refund us. So I honestly don't get the fuss about security personally. My facebook did get hacked once a couple of years back when I logged in through insecure airport wireless internet. That was distressing, but it was also very quick to reset the account and get them booted out. They were doing that scam where they PM friends claiming I'm stranded overseas and have lost my passport etc and need money - I was very impressed with the response from my friends in challenging the scammers, including making public posts tagging me and warning people what had happened. It hasn't change my attitude towards passwords at all. All it means is I won't risk logging on through airport wireless again.