Both great options I used to recommend. I’m sure you can try hard 100 card decks but I think at that point people are more willing to be annoyed at you for not having fun in such a format
You can definitely analyze a graph/chart, but unless you need help understanding a more complex representation, there’s not much you can argue with. Even if you know of a bias in it, they can just make up something about avoiding another bias or increasing focus on an area
Confidence is difficult to build all of your life, not just as an adult. It wasn’t really a problem with “girls like” but more the “just don’t be insecure” connotations