I can never tell when i’m high?

so i’ve gad a dab pen for a few weeks now and i hit it quite often. i know how to use it, but i take a bunch of hits and i can’t tell if i’m high. like i do find myself very hungry, but i don’t notice anything else that is verrryyy different. i just feel like i should feel it more. do u think i’m breathing wrong? hitting it wrong? not hitting it enough?