I've had serious problems with the flow for things like signing in and password recovery. I signed in with Twitter - I think - now when I go back, they're askin

I've had serious problems with the flow for things like signing in and password recovery. I signed in with Twitter - I think - now when I go back, they're asking for an email? No idea which I used and I can't find any emails from Quora, so my account is lost. I've never had such a problem with any other site.