Dear T,
I hope you reply tonight. Really, just something very simple, like, "Yes, still on for 10 tomorrow" would serve as, I guess, proof of life. Is that what I'm looking for? Maybe you'll wait till the morning to reply, which I'd understand (plus maybe you aren't getting home until really late tonight--of course I have no idea), and that's still better than waiting anxiously to see if I receive the Zoom link at 10:00. I mean, unless you wait until 9:58 to email. But let's be real--if I haven't heard back by, say, 8:30 or 9 am, I'd send a quick text. You know me well enough to realize I'd be anxious, so I don't think you'd let it get to that, unless something was actually wrong.

Love,
LT