Tinder reply when she says she's been on a mission to find the best bagel in town

A line like this is her saying she has an ongoing thing she enjoys and a bit of self-awareness about how seriously she takes it. The "4 spots deep" part is a number she chose to share, so she expects it to be noticed. The "no regrets" tells you she's having fun and doesn't want to be judged for it.

So read it as an invitation to get her talking about the search itself. Where has she been, what did she order, what disappointed her. People who are proud of a hunt usually want to tell you about the failures as much as the wins. That is the material you want, because it is specific and it belongs to her.

Three kinds of reply fit here, and each has a different job. A question about her standard works when she hasn't said what makes a bagel good to her yet. Its job is to get her to explain the criteria, which is almost always more interesting than the answer. A reply that names a place she probably hasn't tried works when she's listed a few spots and you have a real suggestion. Its job is to show you were listening and to hand her a next stop on the mission. A light, self-deprecating reply about your own bagel failures works when the tone is playful and you want to keep it quick. Its job is to match her humour and let her take the lead.

You can tell a draft is the right kind when it contains a question or a specific place name, and when it is short enough that she has an easy reason to answer. Leave out any verdict on whether her favourite is actually the best, any ranking of your own, and any second question stacked on the first.

Send within a few hours of her message if you can, and try to do it during the part of the day she's likely to be on the app. A reply at 2am reads as either lonely or pushy, and the bagel line deserves a relaxed moment, not a late-night one. If you're mid-conversation, one message back and forth is plenty before you move things along.

If she goes quiet after you reply, wait a day or two before doing anything. One short follow-up later is fine, something that adds a new angle rather than repeating the question. If that gets nothing, let it drop. Stop when you've had two unanswered messages in a row, because at that point the thread is telling you it's finished.