Ni is a function you use constantly like any other function. Its less about the usage and more the way its used. BTW question for OP. Do you think you use Se or not?.
Well I'm thinking if I'm an estp. XD i actually use Se.
Well, I'm trying to think back who i was before how i react towards things and i realized I'm actually an Se dom. XD
I just thought i was an NE dom because of my job. It's actually IT. It makes me use my head all the effin time.
But i am more of a realistic person and I'm more inclined to my reality.
And i wanna be strong. Lol hahaha!!!
It actually makes sense to me now.
I'm a girl yet i always feel like I'm a guy. I wanna be strong.. So i can beat up guys.. XD
And I'm so frustrated whenever I'm so weak.. [emoji14] i always blame, because I'm a girl! I actually enrolled muay thai before because i wanna be a fighter. XD
But since my job is IT those stuffs are just my extra hobbies since being in IT makes you forced to be more of an introvert and be a nerd and use your Ti all the time.

but it's okay. Because i so heart and love programming a lot it makes me feel alive.
And yeah, I'm not an ISTP. Hahahaha xD