Apologies for my late response!
Thank you for reading my blog. The hardest thing to do is recognize you have a problem. Only then you can look for a solution. I'm glad that you have found peace with being a quitter. It can be frustrating sometimes! ;-)
Settlers of Catan plays differently, Catan is about collection resources and building roads and cities to score points to win the game. Manila is about calculation odds to get the most out of your money and be the richest to win the game.
And keep up with the art-work!