Day 1: Drawing a simple benzene ring with professional attire and composure. Day 30: Frantically scrawling complex molecular structures while looking like you've been marooned on a desert island with nothing but reaction mechanisms for company.
The transformation from "I understand aromaticity" to "I've become one with the carbon atoms and they're telling me terrible secrets" happens faster than an SN2 reaction. The descent into organic chemistry madness is both inevitable and quantifiable.