The problem with "remembering" multiple different "easy to remember" passwords across multiple cites is that there is a limit to how many "the password for site X is Y" associations you can hold in your head before you start forgetting which password belongs to which site.
Just use a proper password manager, then you can have proper randomly generated passwords that do not each need to be remembered (and their association to a site remembered as well).
Just use a proper password manager, then you can have proper randomly generated passwords that do not each need to be remembered (and their association to a site remembered as well).