Asus Zenphone 10; headphone jack, minimal bloatware, two physical sim slots, good battery, small size so it actually fits in a pocket, finger print sensor on the power button so it’s seamless to unlock. Best phone I’ve had in quite a while

One possible drawback is that I don’t think it supports esim or has an sd card slot.

You sound very unhappy with being alone. If you feel stuck and like you’ve tried everything you can think of, it might be a good time to ask for help from a therapist or similar. They might have ideas or tools you haven’t thought of yet

People in relationships can be miserable and feel extremely alone too, if the relationship isn’t working well. It’s not a one-stop-shop to happiness sadly

I hope you figure it out and start feeling better