In theatre there's a, well, mostly mental thing that shifts in at the end of a hard performance. When the end is finally in sight, you grit your teeth & go mentally "...arrgh." If it's really a rough show, I (as stage manager), have even voiced the mental thing aloud, telling everyone including tech it's cool to just get it over with.

You are there, ~ waves ~ , & I wish I could stage manage your return.

The "mental thing" is the phrase go for curtain! & means (as you've no doubt figured), get it over ASAP!

& <CG