This is such a tough one, and I think a lot depends on context.
My DH is autistic, and while he means no harm, he just does not have it in him to be interested in anyone else’s experience, and is functionally exceptionally self-centred.
He also requires a LOT of emotional support from me, without being willing or able to reciprocate.
Other human beings are basically just service animals in his life - irrelevant except to provide some practical benefit to him.
I have worked very hard to focus on my own happiness, and to get my own needs for 2-way-conversation and joie de vivre and cultural engagement and laughs and bit of a lighthearted moan met through female friendships.
But bloody DH feels left out, and always complains that I’ll do fun things with them and not with tim (even though he wouldn’t find the same things fun, and ruins everything with his moods and nitpicky criticisms and always wants to go home early, etc)
We are all responsible for our own emotional management, sure, but part of why we have relationships at all is to co-regulate, to bring one another back into balance when one or the other is down.
If you are with a person with low emotional intelligence or poor emotional management, you end up by default doing a lot of emotional processing for them, which is exhausting. And if they give nothing back you become very depleted and burnt out. And if they also resent your filking your cup in other ways, it becomes such a fight just to keep your head above water, spiritually.
I do find my soul has withered away.
I would be happier on my own, where I could be responsible for my own emotional stability without also being expected to provide everyone else’s. But I’m a caregiver & financially stuck, so I just lean hard into my friendships.