Nerds are a special breed. Not all of us discover we are one at an early age. Some may even deny it for a long time.
So the late bloomers who discover they are a nerd have a lot of catching up to do.
Step one: What do you love? Make wishlists.
Step two: Work your way through the lists.
Step three: Just understand that you are an individual and likely finicky. Just because it was recommended does not mean you will love or even like it. Feel free to skip something that turns out to be not enjoyable.