IMO, at the end of the day it's your hair and you don't want to NOT do something because of what everyone else thinks. I can understand the worry because it is the unknown since you've had long hair most of your life. I think you should start with a not so drastic cut and see how you feel from there.
High Porosity, Fine, Thin Density, Low Elasticity
Co-wash, leave in, and gel: Alba botanica coconut cond., ogx mousse, &/or super wet look gel.