This is probably not the best time to write this, as I am waiting for the shoe to drop on my work schedule today as can't believe I haven't heard so far- but maybe that makes it a good time?
I think I am learning that small malevolent things affect me as much or more as good ones in the other direction, molehills can become mountains. And that emotions really dominate, and yet thoughts often influence them hugely. And so what helps/ has helped me the most is what orders my thoughts, or helps them go from disordered to ordered. As I understand it even when they seem ~ok, some thoughts lead to desolation, some to consolation. (Something beyond CBT).
I've learned even in the process of recovery or attempts to, I can be led astray to way too much self; as above it takes my thoughts or awareness from others needs.
I've come to learn sometimes when people have blamed me, it is not my blame to absorb. But that absorbing and believing it actually is a trauma response intended to increase emotional safety. Not codependency, but trauma bonding (because we suffered together too) and loyalty too are involved. I do like the explanation though, that for codependency 2-becoming-one leaves no one to connect to.
I also feel if I feel calm inside and not lead around negatively by the nose I can see or hear things with more compassion for myself and the other person. It really short-circuits more negative energy going out. It actually sometimes reminds me of things I am grateful for, even unrelated.
As far as myself goes my focus (and facing head on the small things trying to cause me grief, fear or terror) makes a big difference. Because I figure I can't just stop anything without replacing it. Also, I think the other perspective isn't as valid as it would like me to feel. I feel I can only do this because I feel I am not as alone as I felt before.
Idk if how I tried to express that makes any sense at all

lol.
ETA, I also believe sleep is huge. (I might be alone in this) that one of The Biggest factors re:SI is lack of sleep, and a bit chicken-and-the-egg.) Food probably also, as I eat with relief or happiness. But esp the problem of sleep and rest. Whether it be a lack of strength (resilience), heightened cortisol, screwed up serotonin and dopamine, impacted Executive Function, impaired cognition, etc etc- whatever- it's really a crucial thing to make a priority, with kindness to myself. I think it really impairs, or sustains, cortisol levels too. Sure sucks all ability to hope or self-sooth/ take a long view out. JMHThoughts.