Yes, we always talk about it if she is away for any amount of time. Even if I'm allowed contact, we still talk about it. We have a lot of things in place for when she does leave. Mostly, transitional objects. Sometimes we'll do a candle lighting and send each other pictures. Often times she'll write me a reminder email which I can read over and over for reassurances. I also have meditations she recorded for me and voicemail she's left me.
Can you maybe do anything like that when she's gone? To help you stay more connected, more grounded.
It sucks when they are on leave and when you depend so much on them. But SH doesn't help, not in the long-term.