Sometimes, the projects you failed at eat away at you, daily proof that you are as big of a failure as you think you are, marking your failure as a person. When it's already hard to get out of bed, having to walk past hallmarks of your incompetence makes it even harder.
Rinse and repeat a couple times a year.
That's what mania is for me: a surge of confidence in myself, visible to others as pressured speech and hyperactivity, occasionally leading to irritability. It varies from person to person, though.
Example I've heard: buying all the tubes of a certain kind of paint in an art supply store in anticipation of doing some huge project. The project realistically would've taken years to complete & their delusion was they were an unnaturally fast artist. Once they snapped out of it, they realized the work they'd done so quickly was shoddy, at best, though they couldn't tell in the grips of mania. They returned most of the unopened paint the next day.
doubtful that that is a strategy or else there would be a ban on common names.
1. Set a cookie (lowest form since cookies get cleaned/deleted, but useful)
2. Recognize username + email address (tied to cookie so multiple usernames/emails can be used)
3. Address - physical shipping address is difficult to constantly change (for a normal person, scammers that use drop addresses are a different story all together)
4. Credit Card number w/associated billing address. The billing address is also difficult to constantly change and would correspond to shipping address.
There are additional steps a company can take, if necessary.