While it wouldn't matter when I'm dead (as I'll no longer be sentient to witness nor experience the aftermath and thus irrelevant to me), my predictions based on my understanding of the world and my anecdotal experiences during my life is that there will be varying reactions, from family, friends, and acquaintances. As for family, they would be sad of course, likely maybe never fully getting over it, maybe again looking for signs though with enough time passing by, they would reach some new normalcy of feelings though never really fully coming to terms with it and maybe thinking that, "well if TAW had been more successful in life, he wouldn't have CTB'd!" or something along those lines... though it wouldn't matter for me and if/when I do it, I'm not going to consider the impact because it isn't right nor fair for me to stick around to appease others and ultimately, I'm the person living my own life and experiencing all that is happening to me and around me, nobody else, thus I should have the final say in how much or on what terms I'm willing to CTB over (it's my ultimate choice in the end).
For friends and acquaintances, I would imagine that they would be in shock at first, sad of course, but then over time slowly move on and more/less their life is the same, as they aren't dependent on me. Sure they would claim that they would always think about me (not that I would be there to witness it - but seeing it 2nd/3rd hand from others who had bereavement) but I know it's just virtue signaling and projection on their part rather than genuinely missing it or anything. And the most infuriating and insulting part is "scoping out, looking for signs, and what not". I get that part of the human experience and likely most humans do that instinctively as part of their species, but that is counterproductive towards actually improving quality of life because when people focus on signs of would be CTB, they are only looking at preventing the act, WHILE IGNORING the WHY let alone addressing the causes of CTB! (even when people claim that they will fix things, it's just again, virtue signaling).
Anyways, at the end, I am the only person living my own life and if it becomes unbearable, sure I could try to minimize collateral damage, but in the end, the end to my suffering and my ultimate choice is the most important goal for me and to suffer indefinitely just for others against my volition/free will is antithetic to the principles of pro-choice philosophy.