do i block my n-mom or not?

i told my n-mom on a couple of weeks ago that i had nothing else to say to her because she is incapable of connecting to me emotionally and has said some things i'll never get over. despite this, she has texted me twice since, to say she loves and misses me and asking to hear from me.

my very first instinct is to block her, but a part of me wants to see what else she'll say and/or try. however, texts from her do have a negative effect on me emotionally so idk if that's really the best idea. what do you think? i am completely independent and do not live anywhere near her or rely on her for anything.