For me, I never BC'd and I`m 22 months and 2 days out since my last perm. Yes of course over time I trimmed it, but that was only every 3 months when I had substantial growth. Transitioning can be done without a big chop, but you have moisturize and be mindful of your hair.
last relaxer; 082708, BC; 081810, CG; 122410
high porosity, med/coarse texture, high density, color treated