
A long kiss goodnight
This process takes time for your mind to sort out. In the meantime, I think it's more important to let your tulpa speak more than figure out who said what.
Even if it sounds like you, your memory of your mom, or something else, you can ask your tulpa if that was them and if they say yes you can accept it. A tulpa can always reject stuff they don't agree was them later
In addition, keep in mind it's normal for your tulpa to be inconsistent at first. Your tulpa is constructing their sense of self and they may not have completely decided things like their favorite color or what they prefer to wear.
The context is this, i started creating him since yesterday like at 6pm, after some talking a few words came to my mind after making questions, i thought it may be my mind parroting with a weird version of the voice i had in mind, after that i just kept frequently narrating what i'm doing and making frequently questions to him about it, again a few words came to my head like "yes, no, it's cool, good", and what i kinda don't completely get or more like what's happening is that i'm afraid that it is happening like really fast, don't know if it's because my head is "built different" how i like to say that the words started that fast but i think in my opinion that it is as fast as to don't really trust, should i trust that it isn't really my brain and that he just advanced as fast as to be able to say some words already?