I’m sorry you’re going through this. I’ve had several times in my life when I’ve been through similar feelings.
While some of this is unfortunate circumstance, I had to eventually admit to myself that it was self-sabotage.
I built up a date in my mind (my birthday or a holiday). I hinted to others that I wanted to spend that time with them, but didn’t want to be too direct for fear of rejection or being burdensome. The exact right people didn’t show up on the day I built up and I’d have a huge emotional drop. I internalized it as “no one loves me” or “no one cares _enough_ about me to show up to this one thing I told them was special” and spiraled into “I am unworthy of love” and “I’ll be alone forever”.
All of this is false, and its falseness is obvious. None of my people felt that way or wanted me to feel that way.
In cases where it wasn’t just a one-on-one event, the people who showed up didn’t get my best self that day because I was so let down by those who didn’t. That wasn’t fair to them, even if they may not have noticed.
We do not “need” a particular type of partner or any partner at all. We are enough just as we are, like Mr. Rogers said.
What I needed was to stop constructing Rube Goldberg machines involving other people in my efforts to self-harm. No building up a date. No vague lack of a plan. No weeks of anticipation.
(As always, therapy helped)
In addition to this advice, I only plan things I’d enjoy even if I’m the only one who shows up, and I carefully guard my emotions from putting too much weight on specific individuals showing up regardless of their RSVP status.