I quickly gave up on the first. I really enjoyed the second one though, and also that some of the choices you make carry over in the 3rd one.
If I had one complaint about Witcher 3, it would be the stupid crafting system, even 200 hours in I am missing bits and pieces... I could not stand Gwent at the time and actively avoided it, but some people love it.
This is the right answer. I never answer those, you add new entries in your password manager in the notes for the main site.
If you answer truthfully to any one of those “security questions”, your account is at risk.