What to do if he vanishes after sending the first date location

A specific place and time turns a vague plan into a commitment, and that's when a guy who seemed keen in the chat sometimes pulls back. He may have sent the location and then got buried in work, or he may have started to wonder whether he wanted to show up. Look at what he did before the silence. If he asked real questions, picked the time himself, or brought up something you'd talked about earlier in the week, a dropped thread is more likely. If his replies were already thin and slow, interest was probably fading before the location arrived. Neither reading means you said something wrong. Both mean you need a simple way to close the loop instead of guessing.

Your reply has a few jobs. It confirms you're still in for that place and time, so he doesn't have to rebuild the plan from scratch. It gives him one easy thing to answer, a yes or a no. And it stays light, with no reference to the gap, so he doesn't have to defend his silence to get back on track. Keep it to the details he already gave you. Don't add a new suggestion, don't ask him to pick a different spot, and don't check whether he's still interested in the same message. Those extra asks make a yes harder to give and turn a simple check into a review of his effort.

If he hasn't replied within about a day, send one short follow-up the next morning, in daylight rather than late at night. The point is to give him a second, low-pressure chance to say yes. Phrase it so a one-word answer is enough. Then stop. Don't follow up a third time, don't send a joke to test whether he's still around, and don't post stories that let him see you're fine. If he comes back a day or two later with an apology and a new time, you can decide then whether that matches the effort you want. If nothing comes back after the second message, the plan is off. Cancel any reservation you made, take the date off your calendar, and put your attention on people who answer.