I don't think my own "collecting career" took a very different path, in hindsight...while I bought my first Patek in summer 2008 (hence a few months before turning 30), I kept buying a number of other watches for a few years before it became an (almost) exclusive affair with the Brand. And nicest of all, it all developed in a natural way!
I'm not saying the same will necessarily also happen between you and Patek....but by reading your thought process at this stage, I really wouldn't be surprised if it does!
And as you also acknowledge, with the current Indies, almost by definition, it's impossible to predict the future --- hence if you want a KV (in the sense of the watch), this is definitely the time to jump in! ;-)