I think you can call yourself 3d, 3c/4a, or whatever you want. The entire "curl sizing" system is made up (as in not a hard fact science) anyways, so if someone wants to add or subtract categories, go for it.
"The challenge is to be yourself in a world that is trying to make you like everybody else."
"...rationality is not necessary to sell things.."
My staples: Mane n Tail (cowash), Garnier Fructis Sleek n Shine (leave in condish), Grapeseed oil or shea butter (sealing), Organic Root Stimulator Elasticitea (leave-in condish & light hold)