If you are on the Internet, then you have passwords. You need to set up accounts and passwords for just about everything you do on the web today. You need them to sign into email, to get onto social media sites, stream television and movies through Hulu and Netflix, and to buy through Amazon or the other e-commerce sites.
You are probably use passwords for far more than personal time on the Internet. You likely have passwords at work you need to use. Most people have a dozen or more passwords they need to remember.