Behind Barz discussion

I began my chastity path about five weeks back when I bought a CB-6000S. For those four weeks, I’ve been locked up continuously. At first, I used the 2” A-ring along with the longest pin and spacer. After trying out various ring and spacer pairings while wearing them, I’m now (comfortably) using the 1-7/8” ring paired with the second-smallest spacer. Right now, my index finger slides past the first knuckle inside the ring without issue.

My main query is: will I likely need to move up to a 1-3/4” ring eventually? If that happens, how many more weeks might it take for this transition? What is the typical A-ring size increase (in inches) most men go through?

I’m eagerly awaiting the day when I stop fiddling with different part mixes and can just enjoy a balance of comfort and security against ball escape. Any thoughts?