My SO is severely depressed and needs to distance himself from the world a lot lately. We are in a semi-ldr so we usually text/talk on the phone every day, but he hasn't been able to lately, and it devastates me. Mostly because I need to hear his voice so I feel safe and because it soothes me, but also because I struggle so much with emotional impermanence lately... 
I could've seen my SO the day before, and still think he's going to leave me if we don't talk on the phone... 
And I want to respect his needs to the fullest, I really do! But I get so hurt and it drains me completely. I've brought it up with him a couple of times, but he forgets it after a few days again.... 
I don't know what to do, I feel like I demand too much of him already... and I'm really bad at making myself the victim when we both feel bad.....

I just needed to vent, everything just feels shitty and the only times I'm remotely happy is when I visit him in the weekends.... 
(and sorry for the format, i'm on mobile) 