Thanks for taking the time to play the game and leave your feedback! :)
The bar does stop growing intentionally, the idea was to end the game there. Unfortunately, this did not go as planned. Sorry for the confusion!
We weren't able to work out a good system to identify how similar hobbies were. In hindsight we should have just removed any overlapping hobbies, but we had hoped that we could reward such overlapping matchings initially.